Receive SMS through SMPP with NodeJS

index.js

var smpp = require('smpp');
var session = smpp.connect('smpp://SEVER_IP');
var request = require('request');

var connected = false;

session.on('connect', function () {

    connected = true;

    session.bind_transceiver({
        system_id: 'SYSTEM_ID',
        password: 'PASSWORD'
    }, function (pdu) {
        if (pdu.command_status === 0) {
            connected = true;
            console.log('Successfully bound transceiver.');
        }
    });

});

session.on('close', function () {
    if (connected) {
        session.connect();
    }
});

session.on('error', function (error) {
    connected = false;
});

session.on('pdu', function (pdu) {

    if (pdu.command == 'data_sm') {

        var sms = {
            from: null,
            to: null,
            message: null
        };

        sms.from = pdu.source_addr.toString();
        sms.to = pdu.destination_addr.toString();

        if (pdu.message_payload) {
            sms.message = pdu.message_payload.message;
        }
       
        console.log(sms);

        session.deliver_sm_resp({
            sequence_number: pdu.sequence_number
        });

    }

});

package.json

{
  "name": "node-smpp-receive-sms-through-smpp",
  "version": "0.0.1",
  "description": "Receive SMS through SMPP with NodeJS",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "author": "Kreshnik Hasanaj",
  "license": "BSD-2-Clause",
  "dependencies": {
    "smpp": "~0.3.1"
  }
}