[Freeswitch-users] Issue with a=fmtp:18 annexb=no

Sam smrdoshi at gmail.com
Fri Feb 14 12:12:23 MSK 2014

Cisco requires Annexb=no in 200 ok

A workaround for this is late offer with “rtp_append_audio_sdp=a=fmtp:18
annexb=no” but if we do that we get “No SDP in INVITE and 3pcc not enabled,
hanging up.” (Early Offer isn’t a great solution for this as it causes other

So, is there any other way of get around either of these issues?

First prize is Annexb=no

Please let me know. 

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