HTC T-Mobile G2 User Manual page 159

Google Voice
If requested, touch Next to verify your phone number via SMS.
3
Google Voice uses this step to ensure that it can communicate
with your phone.
4 If you're setting up a new Google Voice account, you are asked to
enter your voicemail PIN. This is the code you use to check your
voicemail from the Phone application.
5 Press Back
Touch Finish in the screen that describes Inbox synchronization.
6
For more information, see "Sync and notifications settings" on
page 168.
Your Google Voice Inbox opens. See "Opening Google Voice and
your Inbox" on page 160 for more information on getting started with
Google Voice.
T-Mobile G2
when you're done configuring voicemail.
159
User's Guide