[Sems] remove codec on INVITE

[Kelvin Chua]

i wanted to achieve this, i wonder if sems can do this?


INVITE --------> sems ----------> outbound proxy
opus remove g729 ulaw
g729 add ulaw (preferred) opus
transcode opus to ulaw
if opus is not supported

so far i can't seem to make this work
what's happening is this:

INVITE --------> sems ----------> outbound proxy
opus ulaw
g729 opus
g729
opus

take note of the 2 instanced of opus, still haven't got the time to find that
bug on matching.

here are my config:

transcoder_codecs=PCMU,opus/48000
enable_transcoder=on_missing_compatible
callee_codeccaps=PCMU
codec_preference=PCMU
codec_preference_aleg=opus/48000


Kelvin Chua