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[shahnawaj.khan1990 at ...]

Hi All,

I am working on a use case where we don't want freeswitch to transcode
and the codec negotiated with the B leg's answer should be passed to
the A leg so it also uses the same codec.
I have followed the following link
https://freeswitch.org/confluence/display/FREESWITCH/Codec+Negotiation
and added following flags in sip profiles
<param name="inbound-late-negotiation" value="true"/>
<param name="inherit_codec" value="true"/>
But freeswitch is itself doing the transcoding. Scenario looks like
the following.

1) Bob---(Invite with OPUS,PCMU codec)---->Freeswitch
2) Freeswitch---(Invite with OPUS,PCMU codec)-->Alice
3) Alice ---(200 OK with PCMU)---> Freeswitch
4) Freeswitch---(200 OK with OPUS)--->Bob //OPUS instead of PCMU

Please let me know if I have some understanding gaps and point me in
the right direction.

Thanks & Regards,
Shahnawaz

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[brian at freeswitch.com]

More to it than just setting those params, review the confluence pages again and make sure you didn't miss a step.

On Mon, Sep 20, 2021 at 12:09 PM Shahnawaj Khan <shahnawaj.khan1990@gmail.com (shahnawaj.khan1990@gmail.com)> wrote:

[rehfjo at gmail.com]

I needed an "inherit_codec =  true" before the bridge for this to work. For some reason, setting ringback also trips this up in some cases, but it's been a while since I looked at this so YMMV.



On Mon, 20 Sept 2021 at 18:02, Shahnawaj Khan <shahnawaj.khan1990@gmail.com (shahnawaj.khan1990@gmail.com)> wrote:

[mustafa.pk at gmail.com]

You may try setting "disable-transcoding" to "true" in your sip profile

Regards,
-m



On Mon, Sep 20, 2021, 10:17 PM Shahnawaj Khan <shahnawaj.khan1990@gmail.com (shahnawaj.khan1990@gmail.com)> wrote:

[dragos at freeswitch.org]

you may get some more information from this recent github issue: https://github.com/signalwire/freeswitch/issues/1340 .



On Tue, Sep 21, 2021 at 12:00 AM Ghulam Mustafa <mustafa.pk@gmail.com (mustafa.pk@gmail.com)> wrote:

[shahnawaj.khan1990 at ...]

Hi,

Thanks for the quick responses. we moved "inherit_codec = true" from
profile to dialplan. It's working fine as expected. it may be
associated with the issue
https://github.com/signalwire/freeswitch/issues/1340 as we are using
different profile to bridge the call.

Thanks & Regards,
Shahnawaz

On Tue, Sep 21, 2021 at 4:48 AM Dragos Oancea <dragos@freeswitch.org> wrote: