Using Google Voice outgoing msgs, show GV on caller ID?

[iMore Question]

Regarding iPhone 6 plus

My wife and I share a Google Voice number. Incoming calls are routed to one GV voicemail. However our outgoing calls show the individual caller ID phone number of that particular phone.

Android had a setting "Use Google Voice for all outgoing calls". This left the GV number on the recipient's caller ID. When a person dialed that GV number, both our phones rang. If one of us was busy, or on the phone, the other one picked it up.

How can we do this on the iPhone 6?

 

[warcraftWidow]

You probably need to download and use the google Voice app to make calls rather than the built in phone diaper. Afaik, you cannot change the built in dialed to use a Google voice number.