Hello,

The Problem is that SDP body is rewritten, but Content-Length isn’t updated.

Attached a trace from PCSCF.

Event 207

Incoming INVITE: Content length of SDP body is 313.

Event 218

Outgoing INVITE:  SDP body  is rewritten triggered by “rtpengine_manage”.

Content length of SDP body isn’t updated. It should be 242.

Event 212: Received from RTP Proxy

Kamailio Version 5.5.X

LOGs from rtpengine.c:

Changed File  according Logs  attached..

2023-08-01T10:25:41.118366+02:00 172.29.21.25 vict-pcscf-rhel8[1170319] - [logSDID@20306 resource="rtpengine"] ERROR: rtpengine [rtpengine.c:4070]: newbody 'v=0#015#012o=- 3863667612 3863667612 IN IP4 172.23.12.62#015#012s=pjmedia#015#012b=AS:84#015#012t=0 0#015#012a=X-nat:0#015#012m=audio 30444 RTP/AVP 8 101#015#012c=IN IP4 172.29.21.32#015#012b=TIAS:64000#015#012a=sendrecv#015#012a=rtpmap:8 PCMA/8000#015#012a=rtpmap:101 telephone-event/8000#015#012a=fmtp:101 0-16#015#012'

2023-08-01T10:25:41.118730+02:00 172.29.21.25 vict-pcscf-rhel8[1170319] - [logSDID@20306 resource="rtpengine"] ERROR: rtpengine [rtpengine.c:4071]: newbody.len [242]

2023-08-01T10:25:41.119049+02:00 172.29.21.25 vict-pcscf-rhel8[1170319] - [logSDID@20306 resource="rtpengine"] ERROR: rtpengine [rtpengine.c:4110]: rtpengine_offer_answer-03

Any suggestions on how to solve this problem?

Thanks!

BR

Theo