Q. How do I set up a Google Voice phone number?
To set up Google Voice, please visit this page: Google Voice Setup
Once you have your account set up, you can set the number to take and receive calls on your computer or mobile phone. Here are the steps: Set Up Call Handling
You may want to set the number to be hidden for outgoing calls. You can enable "Anonymous Caller ID" in your Google Voice Account.
You can also set Google Voice to send voicemail messages to an email address as a speech-to-text email message. To do this, visit this page: Forwarding Messages