How to Make Gmail Voice Calls From an Android

1. Open the browser application on your Android smartphone.

2. Visit m.google.com/voice in the browser.

3. Sign in to your Google account if necessary.

4. Type a number into the Quick call box at the bottom of the Google Voice mobile site, then tap the 'Call' button.

5. Tap the radio button next to Google Talk, then tap 'Call.' The call will be connected using the phone call feature inside your Gmail inbox.