| 1 |  |  | package goagi | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | import ( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  | 	"fmt" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | ) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | // Command sends command as string to the AGI and returns response valus with | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | // text response | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | func (agi *AGI) Command(cmd string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | 	return agi.execute(cmd+"\n", false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | // Answer executes AGI command "ANSWER" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | // Answers channel if not already in answer state. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | func (agi *AGI) Answer() (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | 	return agi.execute("ANSWER\n", true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | // AsyncAGIBreak Interrupts Async AGI | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | //	Interrupts expected flow of Async AGI commands and returns control | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  | // to previous source (typically, the PBX dialplan). | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | func (agi *AGI) AsyncAGIBreak() (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | 	return agi.execute("ASYNCAGI BREAK\n", true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  | // ChannelStatus returns status of the connected channel. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  | // | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  | // If no channel name is given (empty line) then returns the status of the current channel. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  | // | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | //Return values: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  | //	0 - Channel is down and available. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  | //	1 - Channel is down, but reserved. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  | //	2 - Channel is off hook. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | //	3 - Digits (or equivalent) have been dialed. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  | //	4 - Line is ringing. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  | //	5 - Remote end is ringing. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  | //	6 - Line is up. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  | //	7 - Line is busy. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  | func (agi *AGI) ChannelStatus(channel string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  | 	cmd := fmt.Sprintf("CHANNEL STATUS %s\n", channel) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  | // ControlStreamFile sends audio file on channel and allows the listener | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  | // to control the stream. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  | //	Send the given file, allowing playback to be controlled by the given digits, if any. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  | // Use double quotes for the digits if you wish none to be permitted. If offsetms | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  | // is provided then the audio will seek to offsetms before play starts. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  | //	Example: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  | //	agi.ControlStreamFile("prompt_en", "19", "3000", "#", "0", "#", "1600") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  | //	agi.ControlStreamFile("prompt_en", "") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  | //	agi.ControlStreamFile("prompt_en", "19", "", "", "", "#", "1600") | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  | //CONTROL STREAM FILE FILENAME ESCAPE_DIGITS | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  | //SKIPMS FFCHAR REWCHR PAUSECHR OFFSETMS | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  | func (agi *AGI) ControlStreamFile(filename, digits string, args ...string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  | 	cmd := fmt.Sprintf("CONTROL STREAM FILE %s %q", filename, digits) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  | 	if len(args) > 5 { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  | 		return nil, ErrAGI.Msg("Too many arguments. Unknown args: %v", args[5:]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  | 	for _, v := range args { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  | 		cmd = fmt.Sprintf("%s %q", cmd, v) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  | 	cmd = fmt.Sprintf("%s\n", cmd) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  | // DatabaseDel deletes an entry in the Asterisk database for a given family and key. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  | //	Returns status and error if fails. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  | func (agi *AGI) DatabaseDel(family, key string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  | 	cmd := fmt.Sprintf("DATABASE DEL %s %s\n", family, key) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  | // DatabaseDelTree deletes a family or specific keytree within a family in the Asterisk database. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  | func (agi *AGI) DatabaseDelTree(family, keytree string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  | 	cmd := fmt.Sprintf("DATABASE DELTREE %s %s\n", family, keytree) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  | // DatabaseGet Retrieves an entry in the Asterisk database for a given family and key. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  | //	Returns value as string or error if failed or value not set | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  | //  Response.Value() for result | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  | func (agi *AGI) DatabaseGet(family, key string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  | 	cmd := fmt.Sprintf("DATABASE GET %s %s\n", family, key) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  | // DatabasePut adds or updates an entry in the Asterisk database for | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  | // a given family, key, and value. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  | func (agi *AGI) DatabasePut(family, key, val string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  | 	cmd := fmt.Sprintf("DATABASE PUT %s %s %s\n", family, key, val) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 95 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 96 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 97 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 98 |  |  | // Exec executes application with given options. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 99 |  |  | func (agi *AGI) Exec(app, opts string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 100 |  |  | 	cmd := fmt.Sprintf("EXEC %s %q\n", app, opts) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 101 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 102 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 103 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 104 |  |  | // GetData Stream the given file, and receive DTMF data. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 105 |  |  | // Note: when timeout is 0 then Asterisk will use 6 secods. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 106 |  |  | // Note: Asterisk has strange way to handle get data response. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 107 |  |  | // Contrary to other responses, where result has numeric value, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 108 |  |  | // here asterisk puts DTMF to sent by user to result and this value | 
            
                                                                                                            
                            
            
                                    
            
            
                | 109 |  |  | // may contain "#" and "*". | 
            
                                                                                                            
                            
            
                                    
            
            
                | 110 |  |  | // To get DTMF sent by user use Response.Data() | 
            
                                                                                                            
                            
            
                                    
            
            
                | 111 |  |  | // Response.Value() will contain "timeout" if user has not terminated | 
            
                                                                                                            
                            
            
                                    
            
            
                | 112 |  |  | // input with "#" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 113 |  |  | func (agi *AGI) GetData(file string, timeout, maxdigit int) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 114 |  |  | 	cmd := fmt.Sprintf("GET DATA %s %d %d\n", file, timeout, maxdigit) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 115 |  |  | 	resp, err := agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 116 |  |  | 	if err != nil { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 117 |  |  | 		return nil, err | 
            
                                                                                                            
                            
            
                                    
            
            
                | 118 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 119 |  |  | 	// special get data result treatment | 
            
                                                                                                            
                            
            
                                    
            
            
                | 120 |  |  | 	if resp.Result() == -1 || resp.Code() != codeSucc { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 121 |  |  | 		return resp, nil | 
            
                                                                                                            
                            
            
                                    
            
            
                | 122 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 123 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 124 |  |  | 	r := resp.(*responseSuccess) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 125 |  |  | 	r.result = 0 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 126 |  |  | 	r.data = scanResultStrFromRaw(r.raw) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 127 |  |  | 	return r, nil | 
            
                                                                                                            
                            
            
                                    
            
            
                | 128 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 129 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 130 |  |  | // GetFullVariable evaluates a channel expression | 
            
                                                                                                            
                            
            
                                    
            
            
                | 131 |  |  | func (agi *AGI) GetFullVariable(name, channel string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 132 |  |  | 	cmd := "GET FULL VARIABLE" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 133 |  |  | 	if channel == "" { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 134 |  |  | 		cmd = fmt.Sprintf("%s %s\n", cmd, name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 135 |  |  | 	} else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 136 |  |  | 		cmd = fmt.Sprintf("%s %s %s\n", cmd, name, channel) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 137 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  | // GetOption Stream file, prompt for DTMF, with timeout. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  | //	Behaves similar to STREAM FILE but used with a timeout option. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  | //	Returns digit pressed, offset and error | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  | func (agi *AGI) GetOption(filename, digits string, timeout int32) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  | 	cmd := fmt.Sprintf("GET OPTION %s %q %d\n", filename, digits, timeout) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  | // GetVariable Gets a channel variable. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  | func (agi *AGI) GetVariable(name string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  | 	cmd := fmt.Sprintf("GET VARIABLE %s\n", name) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  | // Hangup a channel. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  | //	Hangs up the specified channel. If no channel name is given, hangs up the current channel | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  | func (agi *AGI) Hangup(channel ...string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  | 	cmd := "HANGUP" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  | 	if len(channel) > 0 { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  | 		cmd = fmt.Sprintf("%s %s\n", cmd, channel[0]) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  | 	} else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 163 |  |  | 		cmd = fmt.Sprintf("%s\n", cmd) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 164 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 165 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 166 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 167 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 168 |  |  | // ReceiveChar Receives one character from channels supporting it. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 169 |  |  | //	Most channels do not support the reception of text. Returns the decimal value of | 
            
                                                                                                            
                            
            
                                    
            
            
                | 170 |  |  | // the character if one is received, or 0 if the channel does not support text reception. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 171 |  |  | //	timeout - The maximum time to wait for input in milliseconds, or 0 for infinite. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 172 |  |  | // Returns result -1 on error or char byte | 
            
                                                                                                            
                            
            
                                    
            
            
                | 173 |  |  | func (agi *AGI) ReceiveChar(timeout int) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 174 |  |  | 	cmd := fmt.Sprintf("RECEIVE CHAR %d\n", timeout) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 175 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 176 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 177 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 178 |  |  | // ReceiveText Receives text from channels supporting it. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 179 |  |  | //	timeout - The timeout to be the maximum time to wait for input in milliseconds, or 0 for infinite. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 180 |  |  | func (agi *AGI) ReceiveText(timeout int) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 181 |  |  | 	cmd := fmt.Sprintf("RECEIVE TEXT %d\n", timeout) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 182 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 183 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 184 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 185 |  |  | // RecordFile Record to a file until a given dtmf digit in the sequence is received. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 186 |  |  | // The format will specify what kind of file will be recorded. The timeout is the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 187 |  |  | // maximum record time in milliseconds, or -1 for no timeout. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 188 |  |  | //	offset samples is optional, and, if provided, will seek to the offset without | 
            
                                                                                                            
                            
            
                                    
            
            
                | 189 |  |  | // exceeding the end of the file. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 190 |  |  | //	beep causes Asterisk to play a beep to the channel that is about to be recorded. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 191 |  |  | //	silence is the number of seconds of silence allowed before the function returns | 
            
                                                                                                            
                            
            
                                    
            
            
                | 192 |  |  | // despite the lack of dtmf digits or reaching timeout. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 193 |  |  | //	silence is the number of seconds of silence that are permitted before the | 
            
                                                                                                            
                            
            
                                    
            
            
                | 194 |  |  | // recording is terminated, regardless of the escape_digits or timeout arguments | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 195 |  |  | // If interupted by DTMF, digits will be available in Response.Data() | 
            
                                                                        
                            
            
                                    
            
            
                | 196 |  |  | func (agi *AGI) RecordFile(file, format, escDigits string, | 
            
                                                                        
                            
            
                                    
            
            
                | 197 |  |  | 	timeout, offset int, beep bool, silence int) (Response, error) { | 
            
                                                                        
                            
            
                                    
            
            
                | 198 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 199 |  |  | 	cmd := "RECORD FILE" | 
            
                                                                        
                            
            
                                    
            
            
                | 200 |  |  | 	cmd = fmt.Sprintf("%s %s %s %q %d", cmd, file, format, escDigits, timeout) | 
            
                                                                        
                            
            
                                    
            
            
                | 201 |  |  | 	if offset > 0 { | 
            
                                                                        
                            
            
                                    
            
            
                | 202 |  |  | 		cmd = fmt.Sprintf("%s %d", cmd, offset) | 
            
                                                                        
                            
            
                                    
            
            
                | 203 |  |  | 	} | 
            
                                                                        
                            
            
                                    
            
            
                | 204 |  |  | 	if beep { | 
            
                                                                        
                            
            
                                    
            
            
                | 205 |  |  | 		cmd = fmt.Sprintf("%s BEEP", cmd) | 
            
                                                                        
                            
            
                                    
            
            
                | 206 |  |  | 	} | 
            
                                                                        
                            
            
                                    
            
            
                | 207 |  |  | 	if silence > 0 { | 
            
                                                                        
                            
            
                                    
            
            
                | 208 |  |  | 		cmd = fmt.Sprintf("%s s=%d", cmd, silence) | 
            
                                                                        
                            
            
                                    
            
            
                | 209 |  |  | 	} | 
            
                                                                        
                            
            
                                    
            
            
                | 210 |  |  | 	cmd = fmt.Sprintf("%s\n", cmd) | 
            
                                                                        
                            
            
                                    
            
            
                | 211 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 212 |  |  | 	resp, err := agi.execute(cmd, false) | 
            
                                                                        
                            
            
                                    
            
            
                | 213 |  |  | 	if err != nil { | 
            
                                                                        
                            
            
                                    
            
            
                | 214 |  |  | 		return nil, err | 
            
                                                                        
                            
            
                                    
            
            
                | 215 |  |  | 	} | 
            
                                                                        
                            
            
                                    
            
            
                | 216 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 217 |  |  | 	if resp.Value() != "dtmf" { | 
            
                                                                        
                            
            
                                    
            
            
                | 218 |  |  | 		return resp, nil | 
            
                                                                        
                            
            
                                    
            
            
                | 219 |  |  | 	} | 
            
                                                                        
                            
            
                                    
            
            
                | 220 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 221 |  |  | 	r := resp.(*responseSuccess) | 
            
                                                                        
                            
            
                                    
            
            
                | 222 |  |  | 	r.result = 1 | 
            
                                                                        
                            
            
                                    
            
            
                | 223 |  |  | 	r.data = scanResultStrFromRaw(r.raw) | 
            
                                                                        
                            
            
                                    
            
            
                | 224 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 225 |  |  | 	return r, nil | 
            
                                                                                                            
                            
            
                                    
            
            
                | 226 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 227 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 228 |  |  | // SayAlpha says a given character string, returning early if any of the given | 
            
                                                                                                            
                            
            
                                    
            
            
                | 229 |  |  | // DTMF digits are received on the channel. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 230 |  |  | func (agi *AGI) SayAlpha(number, escDigits string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 231 |  |  | 	cmd := fmt.Sprintf("SAY ALPHA %s %q\n", number, escDigits) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 232 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 233 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 234 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 235 |  |  | // SayDate say a given date, returning early if any of the given DTMF digits | 
            
                                                                                                            
                            
            
                                    
            
            
                | 236 |  |  | // are received on the channel | 
            
                                                                                                            
                            
            
                                    
            
            
                | 237 |  |  | func (agi *AGI) SayDate(date, escDigits string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 238 |  |  | 	cmd := fmt.Sprintf("SAY DATE %s %q\n", date, escDigits) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 239 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 240 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 241 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 242 |  |  | // SayDatetime say a given time, returning early if any of the given DTMF | 
            
                                                                                                            
                            
            
                                    
            
            
                | 243 |  |  | // digits are received on the channel | 
            
                                                                                                            
                            
            
                                    
            
            
                | 244 |  |  | func (agi *AGI) SayDatetime(time, escDigits, format, timezone string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 245 |  |  | 	cmd := fmt.Sprintf("SAY DATETIME %s %q %q %q\n", time, escDigits, format, timezone) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 246 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 247 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 248 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 249 |  |  | // SayDigits say a given digit string, returning early if any of the given | 
            
                                                                                                            
                            
            
                                    
            
            
                | 250 |  |  | // DTMF digits are received on the channel | 
            
                                                                                                            
                            
            
                                    
            
            
                | 251 |  |  | func (agi *AGI) SayDigits(number, escDigits string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 252 |  |  | 	cmd := fmt.Sprintf("SAY DIGITS %s %q\n", number, escDigits) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 253 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 254 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 255 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 256 |  |  | // SayNumber say a given digit string, returning early if any of the given | 
            
                                                                                                            
                            
            
                                    
            
            
                | 257 |  |  | // DTMF digits are received on the channel | 
            
                                                                                                            
                            
            
                                    
            
            
                | 258 |  |  | func (agi *AGI) SayNumber(number, escDigits string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 259 |  |  | 	cmd := fmt.Sprintf("SAY NUMBER %s %q\n", number, escDigits) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 260 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 261 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 262 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 263 |  |  | // SayPhonetic say a given character string with phonetics, returning early | 
            
                                                                                                            
                            
            
                                    
            
            
                | 264 |  |  | // if any of the given DTMF digits are received on the channel | 
            
                                                                                                            
                            
            
                                    
            
            
                | 265 |  |  | func (agi *AGI) SayPhonetic(str, escDigits string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 266 |  |  | 	cmd := fmt.Sprintf("SAY PHONETIC %s %q\n", str, escDigits) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 267 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 268 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 269 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 270 |  |  | // SayTime say a given time, returning early if any of the given DTMF digits | 
            
                                                                                                            
                            
            
                                    
            
            
                | 271 |  |  | // are received on the channel | 
            
                                                                                                            
                            
            
                                    
            
            
                | 272 |  |  | func (agi *AGI) SayTime(time, escDigits string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 273 |  |  | 	cmd := fmt.Sprintf("SAY TIME %s %q\n", time, escDigits) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 274 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 275 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 276 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 277 |  |  | // SendImage Sends the given image on a channel. Most channels do not support | 
            
                                                                                                            
                            
            
                                    
            
            
                | 278 |  |  | // the transmission of images. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 279 |  |  | func (agi *AGI) SendImage(image string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 280 |  |  | 	cmd := fmt.Sprintf("SEND IMAGE %q\n", image) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 281 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 282 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 283 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 284 |  |  | // SendText Sends the given text on a channel. Most channels do not support | 
            
                                                                                                            
                            
            
                                    
            
            
                | 285 |  |  | // the transmission of text. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 286 |  |  | func (agi *AGI) SendText(text string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 287 |  |  | 	cmd := fmt.Sprintf("SEND TEXT %q\n", text) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 288 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 289 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 290 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 291 |  |  | // SetAutoHangup Cause the channel to automatically hangup at time seconds in the future. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 292 |  |  | // Setting to 0 will cause the autohangup feature to be disabled on this channel. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 293 |  |  | func (agi *AGI) SetAutoHangup(seconds int) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 294 |  |  | 	cmd := fmt.Sprintf("SET AUTOHANGUP %d\n", seconds) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 295 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 296 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 297 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 298 |  |  | // SetCallerid Changes the callerid of the current channel. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 299 |  |  | func (agi *AGI) SetCallerid(clid string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 300 |  |  | 	cmd := fmt.Sprintf("SET CALLERID %q\n", clid) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 301 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 302 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 303 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 304 |  |  | // SetContext Sets the context for continuation upon exiting the application. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 305 |  |  | func (agi *AGI) SetContext(ctx string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 306 |  |  | 	cmd := fmt.Sprintf("SET CONTEXT %s\n", ctx) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 307 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 308 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 309 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 310 |  |  | // SetExtension Changes the extension for continuation upon exiting the application. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 311 |  |  | func (agi *AGI) SetExtension(ext string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 312 |  |  | 	cmd := fmt.Sprintf("SET EXTENSION %s\n", ext) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 313 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 314 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 315 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 316 |  |  | // SetMusic Enables/Disables the music on hold generator. If class is not specified, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 317 |  |  | // then the default music on hold class will be used. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 318 |  |  | func (agi *AGI) SetMusic(enable bool, class string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 319 |  |  | 	cmd := "SET MUSIC" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 320 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 321 |  |  | 	if enable { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 322 |  |  | 		cmd = fmt.Sprintf("%s on", cmd) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 323 |  |  | 	} else { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 324 |  |  | 		cmd = fmt.Sprintf("%s off", cmd) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 325 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 326 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 327 |  |  | 	cmd = fmt.Sprintf("%s %q\n", cmd, class) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 328 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 329 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 330 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 331 |  |  | // SetPriority Changes the priority for continuation upon exiting the application. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 332 |  |  | // The priority must be a valid priority or label. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 333 |  |  | func (agi *AGI) SetPriority(priority string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 334 |  |  | 	cmd := fmt.Sprintf("SET PRIORITY %s\n", priority) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 335 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 336 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 337 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 338 |  |  | // SetVariable Sets a variable to the current channel. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 339 |  |  | func (agi *AGI) SetVariable(name, value string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 340 |  |  | 	cmd := fmt.Sprintf("SET VARIABLE %s %q\n", name, value) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 341 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 342 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 343 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 344 |  |  | // StreamFile Send the given file, allowing playback to be interrupted by the given | 
            
                                                                                                            
                            
            
                                    
            
            
                | 345 |  |  | // digits, if any. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 346 |  |  | func (agi *AGI) StreamFile(file, escDigits string, offset int) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 347 |  |  | 	cmd := fmt.Sprintf("STREAM FILE %s %q %d\n", file, escDigits, offset) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 348 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 349 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 350 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 351 |  |  | // TDDMode Enable/Disable TDD transmission/reception on a channel. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 352 |  |  | //	Modes: on, off, mate, tdd | 
            
                                                                                                            
                            
            
                                    
            
            
                | 353 |  |  | func (agi *AGI) TDDMode(mode string) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 354 |  |  | 	cmd := "TDD MODE" | 
            
                                                                                                            
                            
            
                                    
            
            
                | 355 |  |  | 	switch mode { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 356 |  |  | 	case "on", "off", "mate", "tdd": | 
            
                                                                                                            
                            
            
                                    
            
            
                | 357 |  |  | 		cmd = fmt.Sprintf("%s %s\n", cmd, mode) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 358 |  |  | 	default: | 
            
                                                                                                            
                            
            
                                    
            
            
                | 359 |  |  | 		cmd = fmt.Sprintf("%s off\n", cmd) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 360 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 361 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 362 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 363 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 364 |  |  | // Verbose Sends message to the console via verbose message system. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 365 |  |  | // level is the verbose level (1-4) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 366 |  |  | func (agi *AGI) Verbose(msg string, level ...int) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 367 |  |  | 	cmd := fmt.Sprintf("VERBOSE %q", msg) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 368 |  |  | 	lvl := 1 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 369 |  |  | 	if level != nil { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 370 |  |  | 		if level[0] > 0 && level[0] < 5 { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 371 |  |  | 			lvl = level[0] | 
            
                                                                                                            
                            
            
                                    
            
            
                | 372 |  |  | 		} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 373 |  |  | 	} | 
            
                                                                                                            
                            
            
                                    
            
            
                | 374 |  |  | 	cmd = fmt.Sprintf("%s %d\n", cmd, lvl) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 375 |  |  | 	return agi.execute(cmd, true) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 376 |  |  | } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 377 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 378 |  |  | // WaitForDigit Waits up to timeout *milliseconds* for channel to receive a DTMF digit. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 379 |  |  | // Use -1 for the timeout value if you desire the call to block indefinitely. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 380 |  |  | //	Return digit pressed as string or error | 
            
                                                                                                            
                            
            
                                    
            
            
                | 381 |  |  | func (agi *AGI) WaitForDigit(timeout int) (Response, error) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 382 |  |  | 	cmd := fmt.Sprintf("WAIT FOR DIGIT %d\n", timeout) | 
            
                                                                                                            
                            
            
                                    
            
            
                | 383 |  |  | 	return agi.execute(cmd, false) | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 384 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 385 |  |  |  |