On Thu, 2 Jul 2009, Elliot Murdock wrote:
Hello!
Which RFC specifies the corresponding number of the formats?
Where in the Asterisk source code does it state the SDP formats?
Does Asterisk follow the formats of IANA?
(http://www.iana.org/assignments/rtp-parameters)
Thank you,
Elliot
Perhaps this is falling back too far, but do you have G.729 licenses for
your asterisk server?
j
On Thu, Jul 2, 2009 at 3:44 PM, Elliot Murdock<[email protected]> wrote:
Hello,
Thank you clarifying that.
However, if that is the case, why is Asterisk sending back PCMU
packets (instead of G729), which the device is not enabled for and
subsequently, fails the call?
Could the mapping be disabled or not properly mapping to the G729
driver in a certain versions of Asterisk?
Thanks,
Elliot
On Thu, Jul 2, 2009 at 3:25 PM, Kevin P. Fleming<[email protected]> wrote:
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: [email protected]
Check us out at www.digium.com & www.asterisk.org
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