Send sms from node using ModemManager through DBus

sms-node.js

'use strict';
const DBus = require('dbus');
const co = require('co');
let bus = DBus.getBus('system');
let mm = bus.getInterface.bind(bus, 'org.freedesktop.ModemManager1');

co(function*(){
  let messaging = yield new Promise((res, rej)=>{
    mm('/org/freedesktop/ModemManager1', 'org.freedesktop.DBus.ObjectManager', (err, manager)=>{
      if(err){ rej(err); return }

      manager.GetManagedObjects((err, modems)=>{
        if(err){ rej(err); return }

        let pathModems = Object.keys(modems);
        mm(pathModems[0], 'org.freedesktop.ModemManager1.Modem.Messaging', (err, messaging)=>{
          if(err){ rej(err); return }
          res(messaging);
        });
      });
    });
  });

  let SMSpath = yield new Promise((res, rej)=>{
    messaging.Create({number:'5512345678', text:'Hello there/Hola ahí'}, (err, SMSpath)=>{
      if(err){ rej(err); return }
      res(SMSpath);
    });
  });

  mm(SMSpath, 'org.freedesktop.ModemManager1.Sms', (err, sms)=>{
    if(err){ throw new Error(err) }
    sms.Send();
  });

  return new Promise((res, rej)=>{
    mm(SMSpath, 'org.freedesktop.DBus.Properties', (err, sms)=>{
      if(err){ rej(err); return }
      sms.on('PropertiesChanged', (iface, changed)=>{
        console.log(changed);
        if(changed.State == 5){
          res();
        }else{
          rej(new Error('Envío no completado'+ changed));
        }
      });
    });
  });
})
.then(_=>{
  console.log('Eso fue todo amigos')
  process.exit();
})
.catch(err=>{
  console.error(err);
  process.exit();
});

Send sms to Mexico is a pain in the nuts due to misrouting and internal issues from
cellular last mile providers.
This is another layer when nexmo or clx failed to deliver sms on demand.
It uses a siretta modem (could be any modem) managed with ModemManager
and nodejs as execution control.