[Freeswitch-users] Getting INCOMPATIBLE_DESTINATION when FS could transcode, b_leg offer only contains a_leg codecs and not sure why

[Mitch Capper]

I am not sure if I just don't understand the negotiation process correctly
or something is wrong.  Currently running 5ab62d81147 (2015-11-26).   I am
getting INCOMPATIBLE_DESTINATION which seems to be because FS is only
offering the b leg the codec it settles on for the A leg (sounds very much
as if inherit_codec is true or disable-transcoding is true however both are
set to false).

Making a simple outbound bridge through mod_sofia and the A leg only
supports a codec B does not (SPEEX for example) and it ends up that is the
only thing offered to the B leg.

I do have inbound-codec-negotiation set to generous and
inbound-late-negotiation set to true (for both profiles), but I would
assume FS should still offer all the outbound-codec-prefs on the invite for
the bridge, but instead it is only offering the a-leg codec.

I would assume it should just transcode but instead it fails.

fail: https://pastebin.freeswitch.org/24471 works:
https://pastebin.freeswitch.org/24472

I am not sure what I am missing.

~mitch
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