believe it or not there in one "period" used in this post.
I'm sorry about the grammer. Just as long u got the idea
1 plan needs to hav my favs or family and friends depending which network ur on
2 google voice settings needs to b changed from caller id shows ur cell
3 put ur gv number in ur myfav or friends n family
4 do not use google voice to make calls with ur gv number.
Call ur gv number put ur password
Press 2 to dail out
5 it works as long as ur settings are switched show callers phone number to showid as ur gv number
6 don't believe test it out look at ur call logs and ur usage details it will not show up
Remember the requirements
plan must hav the myfav plan or friends and family plan
Settings in the google voice website much be changed
And three
Make sure u do not use the gv android app
Sorry I'm @ work and not on the comp on my droid soo yeah I need to write fast
Update: wen u look @ ur call logs should hav ur gv number wen ur tryin to save minutes if u did the settings correct and it show that it will b part of ur friends & family so its covered