Unlimited Free Calling with Google Voice
1. Introduction
2. Free Calling from a Landline
3. Free Calling from a Cellphone (using the Voice plan)
4. Free Calling with Voice Over IP (VOIP) - Introduction
5. The Gizmo5 Project - Background
6. Google Voice Integration with Gizmo5
7. Gizmo5 Integration with SIP Sorcery
8. SIP Sorcery Integration with sipgate
9. SIP Sorcery Scripting
10. Simple Dial Plan
11. Complex Dial Plan
12. Customizing the SIP Sorcery Dial plans
13. Connecting other SIP Clients and Devices
14. Configuring and Testing your SIP Calling Chain
15. Additional setup screenshots
16. Fring on iPhone
17. Extend your ATA-based phones to the whole house
18. Revision History
http://docs.google.com/Doc?docid=0Ae8glDUXDsh9ZGR2eG43cjRfMzNkOTM4ZjNjeA&hl=en