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Inter-Asterisk eXchange
| Communication protocol | |
| Abbreviation | IAX |
|---|---|
| Purpose | VoIP |
| Developer(s) | Mark Spencer |
| Introduction | |
| Influenced | IAX2 |
| OSI layer | Application layer |
| Port(s) | 4569 |
| RFC(s) | RFC 5456 |
| Internet protocol suite |
|---|
| Application layer |
| Transport layer |
| Internet layer |
| Link layer |
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.
The original IAX protocol is deprecated and has been superseded by a second version, commonly called IAX2.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]
- ^ RFC 5456, page 1: "Status of This Memo This memo provides information for the Internet community. It does not specify an Internet standard of any kind."
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