VOIP Wiki – Reference Guide to All Things VOIP
http://www.voip-info.org/wiki/

This Wiki covers everything related to VOIP, software, hardware, service providers, reviews, configurations, standards, tips & tricks and everything else related to voice over IP networks, IP telephony and Internet Telephony. However, the Wiki is primarily for information, not for advertising. This has been added to World Wide Web Reference Subject Tracer™ Information Blog.