As they all said above.
I think IAX is supported on some Cisco equipment for WAN connectivity, making it useful for interconnecting back-end systems and servers (e.g. server to server rather than server to UA).
I believe IAX uses the same port(s) for signalling as for media, as compared to SIP vs RTP using separate streams. This makes it easier when doing port-forwarding and may give it an advantage for NAT traversal.
That being said, it is not yet an officially recognised protocol (from what I heard) and has not yet been as widely adopted as SIP. In short, you will find more SIP-enabled devices than you will find IAX devices, though there are some IAX softphones around.
On 10/9/06, Klaus Fleischmann kgfleischmann@t-online.de wrote:
Mike Williams wrote:
On Monday 09 October 2006 06:49, raviprakash sunkara wrote:
Raviprakash,
we can Communicate the SIP and IAX by below scenario
SIP (UA) --------> OPENSER -----> ASTERISK --------> IAX
(UA)....... this
I can do... IAX -----------> OPENSER -----> ASTERISK ---------> SIP/IAX.
I don't think this one would work. It would need to be: IAX -------> Asterisk -------> OpenSER ------> Asterisk -------> IAX
But main problem is ... Suppose IAX ------> ASTERISK-----------> openSER ------------> SIP / IAX ...
How ?
This one would be just like the one above: IAX -------> Asterisk -------> OpenSER ------> Asterisk -------> IAX
Help me this.... forgive me in English.... :P
I would recommend you to use SIP, because I think Asterisk is the only
server
that supports IAX, and almost all phones are SIP phones, not IAX phones.
I
believe IAX is mostly designed to connect two Asterisk servers.
Indeed, IAX means Inter Asterisk Exchange. It came up with Asterisk.
Mike Williams
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