I've set my number up so when someone calls my GV number my cell as well as my home phone rings. If I pick up the call on my cell phone and want to transfer over to home phone ( if my cell battery is running low ), all I have to do is press a button, pick up my house phone, then end the call on my cell, and the caller will never know that I have switched from my cell phone to my house phone...it's awesome!

If someone calls and leaves a message on my GV voicemail, the message will get transcribed into an email and text message and go directly to my cell phone, same goes with SMS ( is also sent to you via email ).

GV is ****ing awesome, best service ever. Plus I can SMS directly from my computer when I'm signed in. If I go somewhere and don't want to use my minutes on T-Mobile I simply call my GV number, enter my pin, hit #2 and dial the number I want to call and bingo, I make the call without ever using my minutes ( I have my fav 5 ).

So technically speaking you could never run out of cellular minutes, ever again!