Google Voice is terrific. I though of an additional way to use it; I wonder if anyone’s tried this. If someone moves to a different city, they can’t usually transfer their phone # to the new city, but I was thinking that they can port their old number to Google Voice and have it ring on their new line.
You can’t port a landline number to Google Voice. You first need to port it to a mobile service. The last time I looked into this T-Mobile prepaid was the most cost effective method.