Hi list,
I'm trying to establish a successfull call with RTP through OpenSIPS,
with transcoding PCMA <---> PCMU and vice versa.
Debian 9.4 stable (Stretch)
OpenSIPS 2.4.1
RTPEngine Version: 6.3.1.1+0~mr6.3.1.1
RTPEngine is OK:
root@debian-opensips:/etc/opensips# rtpengine --codecs
PCMA: fully supported
PCMU: fully supported
...
The 'rtpengine' module also works fine, as I see how the ip addresses
in SDP are rewritten after leaving OpenSIPS.
But I can not configure transcoding. I tried many variants of flags in
'rtpengine_offer' function:
rtpengine_offer("RTP/AVP replace-origin replace-session-connection ICE=remove
codec-mask-PCMA codec-strip-PCMU transcode-PCMU"))
And in this ^^^ case I tried to do the same but on the contrary in the
'rtpengine_answer':
rtpengine_answer("RTP/AVP replace-origin replace-session-connection
ICE=remove codec-mask-PCMU codec-strip-PCMA transcode-PCMA");
I also tried offer with code-related flags, and answer with no flags.
I also tried another variant of offer with the 'always-transcode' flag:
rtpengine_offer("RTP/AVP replace-origin replace-session-connection ICE=remove
always-transcode");
Still the same. Can not make in do transcoding.
Of course I can route the calls through Asterisk, but I'm trying to configure
transcoding via RTPEngine.
So, what I'm doing wrong?!
-----------------------------------------------
BR, Alexey
http://alexeyka.zantsev.com/
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