WikiIndex - wikis, wiki people, wiki software, and wiki ideas
Documentation on the ReSIProcate package, an open C library allowing Voice over IP applications to be created for various platforms.
- IPtel - documentation for SER, an open SIP PBX
- OpenSER - documentation for OpenSER, an updated replacement for SER
- SipX wiki - documentation for the SipX open-source PBX
- SIPWiki - information on devices, services and applications built on Voice over IP Session Initiation Protocol
- VoIP wiki - an easy to use reference and how-to-guide that helps new users learn how to get the most out of (VoIP)
- Voip-info - a wiki covering everything related to VoIP (Voice over Internet Protocol)