Try setting the codec settings for each peer instead of under the general heading.
I've tried that - if disallow=all,allow=g729 in the appropriate peer then it will indeed use the correct codec. What I'd like to do, though, is be able to switch codecs depending on my location. Currently the only way I can see to do that is to force the codec within the peer in sip.conf every time I want to change between g729 or ulaw, which means SSHing into my asterisk server to make the change every time. I was hoping there would be a slightly more elegant way to do things... :(
Paul
On Tuesday 07 December 2004 05:39 am, Paul Fielding wrote:I'm in the middle of getting g729 to work on my server and running into odd
stuff. The issue revolves around what appears to be a much talked about
(but not seeming to be much solved) issue of selecting which codec gets
used at a given time.
I have two g729 licenses. I'd like to be able to get asterisk to use g729
(via x-pro) only when I want to, reason being that if I'm in a high
bandwidth environment I'd rather have the higher quality of ulaw, but when
I'm in a low bandwidth environment I'd like to select g729.
There doesn't seem to be much rhyme or reason to which codec gets chosen,
and it seems to vary depending on whether the call is outgoing or incoming.
And furthermore, turning off a codec in x-pro doesn't seem to do anything.
For example, if I have:
[general] disallow=all allow=g729 allow=ulaw allow=alaw allow=gsm allow=ilbc
and then dial out on x-pro, G729 is selected. Then I turn off G729 and turn on g711u (I make g711u the only black codec on the x-pro display), then make a call, the call is still made using G729.
Further more, with the same settings if I call from a zap channel to the x-pro sip extension, the codec chosen is g711u, even though I might only have g729 enabled on x-pro, and even though g729 is the first one on the list above.
Anyone have any suggestions, or can point me to something to read?
regards,
Paul
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