Inter-Asterisk eXchange
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"IAX" redirects here. For the airline with the ICAO code IAX, see Island Express Air. For the Type Iax supernova, see Type Iax supernova.
Inter-Asterisk eXchange (IAX) is a communications protocol native to the Asterisk private branch exchange (PBX) software, and is supported by a few other softswitches, PBX systems, and softphones. It is used for transporting voice over IP telephony sessions between servers and to terminal devices.
Quick Facts Abbreviation, Purpose ...
Communication protocol | |
Abbreviation | IAX |
---|---|
Purpose | VoIP |
Developer(s) | Mark Spencer |
Introduction | () |
Influenced | IAX2 |
OSI layer | Application layer |
Port(s) | 4569 |
RFC(s) | RFC 5456 |
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The original IAX protocol is deprecated and has been superseded by a second version, commonly called IAX2. The IAX2 protocol was published as an informational (non-standards-track) RFC 5456 by discretion of the RFC Editor in February 2010.[1]