[Freeswitch-users] SDP BUNDLE support

[Sowmya Venkat]

Hi,
 I am trying to understand the expected behavior of latest FS when the
client sends SDP offer with RTP BUNDLE and uses the exact same IP + port
combination for both audio and video media components. Is BUNDLE (
https://tools.ietf.org/html/draft-ietf-mmusic-sdp-bundle-negotiation-39)
supported
by FS? If not, can you pls let me know the when it is planned to add the
support for the same?

I am seeing the below errors in fs_cli. Can you pls confirm if the issue is
because BUNDLE is not supported by FS?

2019-06-12 07:01:03.143578 [DEBUG]   switch_core_media.c:3236 alternate
payload received (received 96, expecting 111)
2019-06-12 07:01:03.143578 [WARNING]  switch_core_media.c:3259 Could not
change to payload type 96, ignoring...
2019-06-12 06:52:36.463638 [ERR] mod_opus.c:921 Decoder Error: buffer too
small fs:4080 plc:false!
2019-06-12 06:52:36.463638 [ERR] switch_core_io.c:633 Codec RAW Signed
Linear (16 bit) decoder error! [9]
2019-06-12 06:52:36.543581 [ERR] mod_opus.c:921 Decoder Error: corrupted
stream fs:4080 plc:false!

Here are the relevant SDP m and a lines from the client's offer:

a=group:BUNDLE audio video
....
m=audio 9 UDP/TLS/RTP/SAVPF 111 103 104 9 0 8 106 105 13 110 112 113 126
a=mid:audio
a=rtcp-mux
a=rtpmap:111 opus/48000/2
a=candidate:1 1 udp 2013266431 35.162.237.109 38673 typ host
....
m=video 9 UDP/TLS/RTP/SAVPF 96 98 100 102 127 125 108
a=mid:video
a=rtcp-mux
a=rtpmap:96 VP8/90000
a=candidate:1 1 udp 2013266431 35.162.237.109 38673 typ host

Thanks
Sowmya
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