Hi, I'm new to the community.
I search to solve some audio problem (one way) with my provider. I suspect it is related to the changement of the "to-tag" between the SIP 183 session progress and the SIP 200 OK. I think the "to-tag" change make the rtpengine use a new RTP src port, this make my provider drop this flow :'( -->the source port is different than what has been announce in the SDP invite I send to him. Here an extract of what I suspect to be my problem : janv. 20 23:20:39 rtpengine[8465]: INFO: [[email protected] ]: Final packet stats: janv. 20 23:20:39 rtpengine[8465]: INFO: [[email protected] ]: --- Tag 'as32bd80f6', created 0:46 ago for branch '', in dialogue with 'SDr6vf398-MVIsCA' janv. 20 23:20:39 rtpengine[8465]: INFO: [[email protected] ]: ------ Media #1 (audio over RTP/AVP) using PCMA/8000 janv. 20 23:20:39 rtpengine[8465]: INFO: [[email protected] ]: --------- Port X.Y.Z.B:5000 <> X.Y.Z.A :11636, SSRC 143ba6ae, 142 p, 24424 b, 0 e, 30 ts janv. 20 23:20:39 rtpengine[8465]: INFO: [[email protected] ]: --------- Port X.Y.Z.B:5001 <> X.Y.Z.A :11637 (RTCP), SSRC 143ba6ae, 3 p, 152 b, 0 e, 30 ts janv. 20 23:20:39 rtpengine[8465]: INFO: [[email protected] ]: --- Tag 'SDr6vf398-B7CIvQ', created 0:46 ago for branch '', in dialogue with 'as32bd80f6' janv. 20 23:20:39 rtpengine[8465]: INFO: [[email protected] ]: ------ Media #1 (audio over RTP/AVP) using PCMA/8000 janv. 20 23:20:39 rtpengine[8465]: INFO: [[email protected] ]: --------- Port X.Y.Z.C:5000 <> X.Y.Z.D:33800, SSRC 326b3c5a, 778 p, 133816 b, 0 e, 30 ts janv. 20 23:20:39 rtpengine[8465]: INFO: [[email protected] ]: --------- Port X.Y.Z.C:5001 <> X.Y.Z.D:33801 (RTCP), SSRC 326b3c5a, 1 p, 52 b, 0 e, 30 ts janv. 20 23:20:39 rtpengine[8465]: INFO: [[email protected] ]: --- Tag 'SDr6vf398-MVIsCA', created 0:33 ago for branch '', in dialogue with 'as32bd80f6' janv. 20 23:20:39 rtpengine[8465]: INFO: [[email protected] ]: ------ Media #1 (audio over RTP/AVP) using unknown codec janv. 20 23:20:39 rtpengine[8465]: INFO: [[email protected] ]: --------- Port X.Y.Z.C:5014 <> X.Y.Z.D:33800, SSRC 0, 0 p, 0 b, 0 e, 33 ts janv. 20 23:20:39 rtpengine[8465]: INFO: [[email protected] ]: --------- Port X.Y.Z.C:5015 <> X.Y.Z.D:33801 (RTCP), SSRC 0, 0 p, 0 b, 0 e, 33 ts Does the option 'via-branch=auto' for the rtpengine_offer can help me to solve this issue ? What are the impact to do so ? Regards, Florent
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