Hi, it's pretty easy actually. Set all your Call Forwarding options on your phone to your Google Voice number, i.e.. 'Call Forward When Busy, etc.' and then set your Google Voice account to Do Not Disturb so calls go straight to Voice Mail. Set your ...
I use Google Voice for my voicemail anyways, I have for years. Integrated right into Hangouts now, all my voicemail shows up there, translated to text with the option to play the audio. Works great.
