Let me summarize some differences between SIP and IAX,
www.voip-info.org
The IAX revision 2 protocol is used by the Asterisk VOIP PBX and FreeSwitch
www.voip-info.org
Expires October 1, 2008 [Page 1] Internet-Draft IAX: Inter-Asterisk
tools.ietf.org
Nov 14, 2007 ... Computer Hardware NEWS, Reviews, Overclocking,
www.iax-tech.com
Asterisk and SIP services start at just 1.39 cents per minute with local
www.iax.cc
Zoiper Free and Business IAX and SIP softphone for Windows, Linux and Mac OS,
www.zoiper.com
Unable to connect to the database.
www.asteriskguru.com
http://iax.podomatic.com ??? Its a Mix of Electro, Breaks,
iax.podomatic.com
This document defines a Jingle transport method that results
www.xmpp.org
Apr 11, 2005 ... Instead of using Real-time Protocol, IAX uses User Datagram
www.networkworld.com

