title: Ionic2 authentication firebase
body: <p>I am creating a system of authentication by number of cell phone in ionic 2, for that I use the google guide
  </p>
  
  <p>First, I believe a <code>firebase.auth.RecaptchaVerifier</code> (Is one of the necessary parameters)</p>
  
  <pre><code>this.autVer = new firebase.auth.RecaptchaVerifier('contCatcha', {
  'size': 'invisible',
  'callback': function (response) {
  // reCAPTCHA solved, allow signInWithPhoneNumber.
  }
  });
  </code></pre>
  
  <p>and laster use auth.signInWithPhoneNumber angularfire</p>
  
  <pre><code>this.afAuth.auth.signInWithPhoneNumber("+57" + this.numeroCelular, this.autVer).then(verificationId =&gt; {
  console.log("SMS Enviado");
  this.confor = verificationId;
  this.loading.dismiss();
  this.estado = 1;
  this.esperarCodigo();
  })
  </code></pre>
  
  <p>Where the second parameter is the firebase.auth.RecaptchaVerifier created</p>
  
  <p>In the browser of my pc everything works fine, but on the mobil shows the following error message:</p>
  
  <p>I need to replace that <code>firebase.auth.RecaptchaVerifier</code>, but I do not know if there is any plugin or sub meter to do and ahcer that everything works
  I really appreciate your advice</p>