In proxy media mode FS will pass media straight through without any processing. It won't do any transcoding or any SDP modifcation, so it can't transcode PCMU <-> G729 and absolute_codec_string will be ignored - it'll just pass the codec settings straight through from the A leg to the B leg. So it's expected behaviour. -Steve On 2 August 2010 04:55, Dome Charoenyost <dome@tel.co.th> wrote:
Dear All, I'm not sure it's bug or not ? I try to test codec negotate. with 3 FS box FS1 send PCMA to FS2 and FS2 send G729 to FS3
FS1 -----> [PCMU] ----> FS2 ------> [G729] -------> FS3 (10.20.2.49) My dialplan <action application="bridge" data="{absolute_codec_string='G729'}sofia/internal/2222@10.20.2.49:5080"/> It's work fine When i try <action application="set" data="proxy_media=true"/> <action application="bridge" data="{absolute_codec_string='G729'}sofia/internal/2222@10.20.2.49:5080"/> Call fail. because FS2 ignore absolute_codec_string='G729' and send only PCMU (I think by pass from FS1)
It's bug or not ?
Dome C.
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