Users of Google Voice are patiently waiting for Google to restore full SIP integration. Until that happens, users are able to sign up for free accounts at a few web sites, glue them together with some scripts, and enjoy free unlimited SIP calling with Google Voice today.

Background

SIPSorcery.com is a site that specializes in managing and routing SIP-based Voice Over IP (VOIP) phone calls. New user accounts are created with minimal functionality, but their usefulness can be enhanced through the use of scripts written in Ruby. The scripts we distribute here on this site allow SIP Sorcery users to convert Google Voice into a full VOIP service. This includes free wifi calling from anywhere in the world on certain smartphones to US and Canadian phone numbers and creating free home phone lines using analog telephone adapters (ATAs) such as the Linksys PAP2T-NA.

This project began as a publicly shared document describing how to achieve free calling with Google Voice. The link to that document is featured in the links section to the left. Also shown is the original thread in the Google Voice Help Forum where the original document was announced and discussed.

The background and configuration steps in the HOWTO have been replicated in the wiki on this site. If you visit the Wiki section and find the pages out of order, please click "Page Name" and then "Sort Up".

Please visit the Issues tab to report on issues you may be experiencing when attempting to follow the instructions found on this site. It is very difficult for us managing this site to find and keep track of everyone's individual issues as they pop up in the forums, and using the Issues tab lets us give each issue the individual attention it deserves. Please try to read other users' issues that are similar to yours, and participate as appropriate but also to avoid hijacking another open issue.

Thanks for reading, and welcome!

Note

If you are experiencing the rnr_se key issue and are unable to dial out, you have a couple of options to try to resolve the issue:

1. Upgrade to a paid SIP Sorcery account, go the SIP Sorcery support forum, and send the owner, Aaron, a PM asking him to log into Google using your credentials
2. Create an entirely new Google Voice account
3. Wait for a permanent fix, but in the meantime, place your calls by dialing from the Google Voice website

Please Also Note

The code and support provided at this site is in no way related to, provided, sanctioned or supported by Google. We have no connection to Google, sipgate, SIP Sorcery or any other service provider mentioned herein other than as satisfied users. Please refer to the appropriate support forums if you have specific questions related to those services.

We do not alter or enhance Google Voice functionality. What we do provide and support here are scripts designed to enhance your experience when using SIP Sorcery, primarily with the goal of adding a SIP-compatible true VoIP phone line to your Google Voice account. Our instructions will help you create a new managed phone in Google Voice, separate and independent of any traditional phone lines you may already have configured in your account, that allows you to make and receive calls using only an Internet connection and a SIP client installed on a capable and properly configured device.