Rob Pegoraro's post | Latest updates on Sulia
Review: GrooVe IP can turn Google Voice into the VoIP calling service it ought to be.
A Google Voice number makes it easy to receive calls on the phone of your choice, but you can't call out from those digits or avoid dipping into that device's quota of voice-calling minutes.
To fix that, I've been trying the $4.99 GrooVe IP (http://snrblabs.com/snrb/grooveIp.aspx). It's reliably placed outgoing calls from my GV number, ending Caller ID confusion among recipients. Receiving calls through the app, however, got confusing when I neglected to disable Google Voice call forwarding to the phone's real number; both GrooVe IP and the native phone app tried to pick up, and one would keep ringing when I answered the other.
There's also the higher risk of a call dropping when it depends on an Internet connection. I can live with that--and the small price to add this flexibility to my Google Voice account.