Originally Posted by JadedTraveler

No. To be honest it confuses things a bit.

How it works on an incoming GV call (link) is you press * (only *, you do not need to dial any additional phone numbers) and then all your google voice 'Forwards calls to' phones ring. You then answer any one of the ringing phones, and the call is transferred. And IMO this works pretty seamlessly, although I haven't used it in a while.