Examples recordgreeting js

From FreeSWITCH Wiki

This simple recording application is intended to be used with the answermachine.js application. It will play a beep tone, and record the greeting (or any other file you name) voice file.

use("TeleTone");

// * recordgreeting.js
// * Written by: Mike B. Murdock for use with FreeSwitch
// * Based on original samples by Anthony Minessale II
// * Revision: 12-28-2006
// 
// * Version: MPL 1.1
// *
// * The contents of this file are subject to the Mozilla Public License Version
// * 1.1 (the "License"); you may not use this file except in compliance with
// * the License. You may obtain a copy of the License at
// * http://www.mozilla.org/MPL/
// *
// * Software distributed under the License is distributed on an "AS IS" basis,
// * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
// * for the specific language governing rights and limitations under the
// * License.
// *
// * This simple application is used to record the greeting file for the answermachine.js application
// * It will simply play a bong tone and record the file. You can press # to stop and it will play
// * the new greeting file back.

// Place your recorded greeting here !!IMPORTANT!! THE PATH MUST EXIST
var vMailGreetingFile = "/usr/local/freeswitch/sounds/greeting.wav"

//var BONG = "v=4000;>=0;+=2;#(60,0);v=2000;d(940,0)";
var BONG = "v=4000;>=0;+=2;#(60,0)";

// Maximum recording length in seconds (240 = 4 minutes should be enough)
var maxreclen = 240; 

// Energy level audio must fall below to be considered silence (300-500 is good starting point)
var silencethreshold = 500;

// Amount of time in seconds caller must be silent to trigger detector
var silencehits = 10; // we don't want to trigger too soon in this application

var allDigits = "";

function on_dtmf(session, type, digits, arg)
{
    if (digits.digit == "#") {
	return allDigits;
    }

    if (digits.digit == "*") {
	return "hangup";
    }

    console_log("digit: " + digits.digit + "\n");
    allDigits += digits.digit;
}

// If not answered answer the call
session.answer();

if(session.ready()) {
	
    allDigits = "";
	
	// Play bong
	
	var tts = new TeleTone(session);
	tts.addTone("d", 350.0, 440.0, 0.0);

	tts.generate(BONG); 
	
	// Record message
	console_log("Recording greeting\n");
	
	rtn = session.recordFile(vMailGreetingFile, on_dtmf, "", maxreclen, silencethreshold, silencehits);
	console_log("Done Recording greeting: rtn=[" + rtn + "]\n");

	if (session.ready()) {
		// play it back - for testing
		rtn = session.streamFile(vMailGreetingFile, "", on_dtmf, "");
		
		// Hangup
		session.hangup
	} 
	else {
		console_log("Caller Hungup during record\n");
	}
}

See Also

Javascript