[asterisk-users] g729a compatibility

[Kevin P. Fleming]

Elliot Murdock wrote:
> Hello!
> 
> I noticed that the SIP packet contains this line:
> 
> m=audio 60000 RTP/AVP 18 98 96 97 101 13
> 
> However, there is no rtpmap that describes 18.  Media format 18
> Apparently refers to G729, but there is no rtpmap in the SDP for it.
> Since G729 is a registered and known format is there any way for
> Asterisk to negotiate it within an explicit rtpmap?

Yes, that is already supported. Asterisk does not require rtpmap entries
for well-known (RFC specified) codec mappings.

-- 
Kevin P. Fleming
Digium, Inc. | Director of Software Technologies
445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
skype: kpfleming | jabber: kpfleming at digium.com
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