Send the following on WhatsApp
Continue to ChatUsing WhatsApp Messenger with a Google Voice Number https://www.curiousmitch.com/2011/11/using-whatsapp-messenger-with-a-google-voice-number/
Using WhatsApp Messenger with a Google Voice Number https://www.curiousmitch.com/2011/11/using-whatsapp-messenger-with-a-google-voice-number/