Google Voice Dialer is another useful extension for google voice users, it adds a google voice button in google chrome which allows you do the following with your google voice inbox.
4. Add Notes
5. Report Spam
6. Play Voicemail
7. Download Voicemail
Note: It simple words it allows you to make calls and send free sms
After making any changes in your phones or your contacts, you will need to reload your data using the reload button on the top left corner for the changes to take effect, otherwise the data will be refreshed automatically every 60 minutes.
Install Google Voice Dialer In Google Chrome