I've had a nagging frustration in my otherwise perfect relationship with Google Voice. The service systematically replaces my friend's phone numbers with their Google Voice numbers when they call, even when they aren't calling from Google Voice. Not only has this led to a lot of confusing and time wasting "how did you get my Google Voice phone number?" conversations, it is a clear violation of Google's own privacy policy. Here's how this works: Let's say you signed up for Google Voice sometime in the past.