A new Request for Comments is now available in online RFC libraries.
RFC 5456
Title: IAX: Inter-Asterisk eXchange Version 2
Author: M. Spencer, B. Capouch,
E. Guy, Ed.,
F. Miller, K. Shumard
Status: Informational
Date: February 2010
Mailbox: markster@digium.com,
brianc@saintjoe.edu,
edguy@emcsw.com, mail@frankwmiller.net,
kshumard@gmail.com
Pages: 101
Characters: 226083
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-guy-iax-05.txt
URL: http://www.rfc-editor.org/rfc/rfc5456.txt
This document describes IAX, the Inter-Asterisk eXchange protocol, an
application-layer control and media protocol for creating, modifying,
and terminating multimedia sessions over Internet Protocol (IP)
networks. IAX was developed by the open source community for the
Asterisk Private Branch Exchange (PBX) and is targeted primarily at
Voice over Internet Protocol (VoIP) call control, but it can be used
with streaming video or any other type of multimedia.
IAX is an "all in one" protocol for handling multimedia in IP
networks. It combines both control and media services in the same
protocol. In addition, IAX uses a single UDP data stream on a static
port greatly simplifying Network Address Translation (NAT) gateway
traversal, eliminating the need for other protocols to work around
NAT, and simplifying network and firewall management. IAX employs a
compact encoding that decreases bandwidth usage and is well suited
for Internet telephony service. In addition, its open nature permits
new payload type additions needed to support additional services.
This document is not an Internet Standards Track specification; it is
published for informational purposes.
This document is an Independent Submission.
INFORMATIONAL: This memo provides information for the Internet community.
It does not specify an Internet standard of any kind. Distribution of
this memo is unlimited.
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