[OpenSIPS-Users] Modify SDP

Hasitha Lalinda hasithamail at gmail.com
Wed Nov 4 15:25:43 CET 2009


Hi,

Is it possible to remove some attributes from SDP?
Our provider added t38 support and since then some devices fail to respond
to INVITE.

I need to remove following attributes from the media description.

a=rtpmap:100 X-NSE/8000
a=fmtp:100 200-202
a=sqn:0
a=cdsc: 1 audio RTP/AVP 8 18 0 101 100
a=cdsc: 6 image udptl t38
a=cpar: a=T38FaxVersion:0
a=cpar: a=T38FaxRateManagement:transferredTCF
a=cpar: a=T38FaxMaxDatagram:160
a=cpar: a=T38FaxUdpEC:t38UDPRedundancy
a=X-sqn:0
a=X-cap: 1 image udptl t38

Is there a way I can do this?

Thanks in advance.
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