[Freeswitch-users] Node.JS ESL libraries

[Alex Lake]

Oh, that's useful, thanks.
> Hi,
>
> Please take a look.
>
> I'm using node.js and esl (https://github.com/shimaore/esl)
>
> For example,
> --------------------------------------------------
> //
> // esl-test1.js
> //
>
> var esl = require('esl');
> var util = require('util');
>
> var audio_file = [];
> //
> // play and get digits
> // <min> <max> <tries> <timeout> <terminators> <file> <invalid_file>
> <var_name> <regexp> <digit_timeout>
> //
> audio_file[0]='1 1 3 5000 # sounds/mywav/0.wav';
> audio_file[1]='1 1 3 5000 # sounds/mywav/1.wav';
> audio_file[2]='1 1 3 5000 # sounds/mywav/2.wav';
> audio_file[3]='1 1 3 5000 # sounds/mywav/3.wav';
> audio_file[4]='1 1 3 5000 # sounds/mywav/4.wav';
> audio_file[5]='1 1 3 5000 # sounds/mywav/5.wav';
> audio_file[6]='1 1 3 5000 # sounds/mywav/6.wav';
> audio_file[7]='1 1 3 5000 # sounds/mywav/7.wav';
> audio_file[8]='1 1 3 5000 # sounds/mywav/8.wav';
> audio_file[9]='1 1 3 5000 # sounds/mywav/9.wav';
> audio_file[10]='1 1 3 5000 # sounds/mywav/10.wav';
> audio_file[11]='1 1 3 5000 # sounds/mywav/11.wav';
> audio_file[12]='1 1 3 5000 # sounds/mywav/12.wav';
> audio_file[13]='1 1 3 5000 # sounds/mywav/13.wav';
>
> var error3 = '1 1 3 5000 # sounds/mywav/error3.wav';
> var welcome = '1 1 3 5000 # sounds/mywav/hello.wav';
>
>
> var server = esl.createCallServer();
> //var server = esl.createClient();
>
> server.on('CONNECT', function(req, res) {
>
>          var uri, channel_data, unique_id;
>
>          channel_data = req.body;
>          unique_id = channel_data['Unique-ID'];
>          
>
>          req.execute('answer');
>
>          //req.execute('playback', 'sounds/mywav/hello.wav');
>          
>          //req.execute('play_and_get_digits', '2 5 3 7000 #
> sounds/mywav/hello.wav sounds/mywav/error3.wav myFoo \d+');
>          req.execute('play_and_get_digits', welcome);
>
>          req.on('DTMF', function(req) {
>                  
>                  //util.log('DTMF:'+util.inspect(req, null, null));
>                  
>                  var digit;
>                  var channel_data;
>                  channel_data = req.body;
>                  unique_id = channel_data['Unique-ID'];
>
>                  util.log('DTMF: unique_id='+unique_id);
>
>                  digit = channel_data['DTMF-Digit'];
>                  console.log('DTMF Received=' + digit);
>                  util.log('DTMF Received');
>                  if(digit==='#' || digit==='*'){
>                          
>                          req.execute('play_and_get_digits', error3);
>                          
>                          
>                  } else {
>
>                          var n = parseInt(digit);
>                          
>                          req.execute('play_and_get_digits', audio_file[n]);
>
>                          
>                  }
>                  
>                  
>                  return;
>          });
>
>          req.on('CHANNEL_ANSWER', function(req) {
>
>                  //util.log('CHANNEL_ANSWER:'+util.inspect(req, null, null));
>                  var channel_data;
>                  channel_data = req.body;
>                  unique_id = channel_data['Unique-ID'];
>
>                  util.log('CHANNEL_ANSWER: unique_id='+unique_id);
>                  
>                  return util.log('Call was answered');
>          });
>
>          req.on('CHANNEL_HANGUP', function(req) {
>
>                  //util.log('CHANNEL_HANGUP:'+util.inspect(req, null, null));
>                  var channel_data;
>                  channel_data = req.body;
>                  unique_id = channel_data['Unique-ID'];
>
>                  util.log('CHANNEL_HANGUP: unique_id='+unique_id);
>
>                  console.log('CHANNEL_HANGUP');
>                  return util.log('CHANNEL_HANGUP');
>          });
>          
>          req.on('CHANNEL_HANGUP_COMPLETE', function(req) {
>                  
>                  ///util.log('CHANNEL_HANGUP_COMPLETE:'+util.inspect(req,
> null, null));
>
>                  var channel_data;
>                  channel_data = req.body;
>                  unique_id = channel_data['Unique-ID'];
>
>                  util.log('CHANNEL_HANGUP_COMPLETE: unique_id='+unique_id);
>                  
>                  console.log('CHANNEL_HANGUP_COMPLETE');
>                  return util.log('CHANNEL_HANGUP_COMPLETE');
>          });
>
>          req.on('DISCONNECT', function(req) {
>
>                  //util.log('DISCONNECT:'+util.inspect(req, null, null));
>                  var channel_data;
>                  channel_data = req.body;
>                  unique_id = channel_data['Unique-ID'];
>
>                  util.log('DISCONNECT: unique_id='+unique_id);
>
>                  console.log('DISCONNECT');
>                  return util.log('DISCONNECT');
>          })
>
>          //util.log('CONNECT: req '+util.inspect(req, null, null));
>          util.log('CONNECT: unique_id='+unique_id);
>          
>          return util.log('CONNECT received');
>
> });
>
> server.listen(9173);
>
> -----------------------------------------------
>
> Thanks
>
> Regards,
> Thomas Lee
>
>
>
> --
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