Thank you to answer.

this is my SDP annex (no ice o related stuff):


Content-Length: 1031


v=0

o=- 326299663336889577 2 IN IP4 XXX.XXX.XXX.XXX

s=-

t=0 0

a=extmap-allow-mixed

a=msid-semantic: WMS 078639f4-3b58-4a29-90ef-62d05ccf01a2

m=audio 21766 RTP/AVP 111 63 9 0 8 13 110 126

c=IN IP4 XXX.XXX.XXX.XXX

a=extmap:1 urn:ietf:params:rtp-hdrext:ssrc-audio-level

a=extmap:2 http://www.webrtc.org/experiments/rtp-hdrext/abs-send-time

a=extmap:3 http://www.ietf.org/id/draft-holmer-rmcat-transport-wide-cc-extensions-01

a=extmap:4 urn:ietf:params:rtp-hdrext:sdes:mid

a=msid:078639f4-3b58-4a29-90ef-62d05ccf01a2 4cacf939-a056-4a1a-a0c5-748aaf5e3d43

a=ssrc:805220451 cname:wrpkmkhX7zbjXfUu

a=ssrc:805220451 msid:078639f4-3b58-4a29-90ef-62d05ccf01a2 4cacf939-a056-4a1a-a0c5-748aaf5e3d43

a=mid:0

a=rtpmap:111 opus/48000/2

a=fmtp:111 useinbandfec=1; minptime=10

a=rtcp-fb:111 transport-cc

a=rtpmap:63 red/48000/2

a=fmtp:63 111/111

a=rtpmap:9 G722/8000

a=rtpmap:0 PCMU/8000

a=rtpmap:8 PCMA/8000

a=rtpmap:13 CN/8000

a=rtpmap:110 telephone-event/48000

a=rtpmap:126 telephone-event/8000

a=sendrecv

a=rtcp:21767

I think I can eliminate  a=extmap lines and maybe other lines but i don't really know where I have to put sdp_remove_line_by_prefix function in the script

Regards

---
I'm SoCIaL, MayBe
El 14/10/2023 a las 1:46 a. m., Karsten Horsmann escribió:
Hi,

did you pass over the ice stuff from webrtc to the udp side? You could strip that of with rtpengine options. 

Social Boh via sr-users <sr-users@lists.kamailio.org> schrieb am Sa., 14. Okt. 2023, 01:00:

Hello,

I'm trying to solve a problem with calls WebRTC/UDP. I think is a fragmentation problem because udp/webRTC calls works without problem. The INVITE from Kamailio to the UDP device not receive any type of answer.

I'm trying to reduce the SDP annex size using:

sdp_remove_line_by_prefix

for some lines unsuccessfully. Maybe I don't know where put this function in the script.

Or, is there another way to solve this issue?

Thank you in advance

Regards


-- 
---
I'm SoCIaL, MayBe
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