[Spce-user] T.38 <-> G.711 Transcoding

Richard Fuchs rfuchs at sipwise.com
Wed Sep 2 09:07:56 EDT 2020


On 02/09/2020 01.37, Gabriel Kuri wrote:
> Hi Richard,
>
> Thanks for the info, I tried those settings and it seems to transcode. 
> However, sometimes the carrier does a T.38 Re-INVITE before the ATA 
> does the T.38 Re-INVITE, and C5 passes the T.38 Re-INVITE through to 
> the ATA rather than rejecting it and staying on G.711 on the carrier 
> side. Is it possible to reject the T.38 from the carrier side and stay 
> G.711 so that only the ATA side of the call does T.38 and the call is 
> transcoded?

I'm afraid that's not a use case we had envisioned -- We expected people 
would want to use T.38 when available and not reject it. :) So the 
options we were designed for cases where one side just doesn't support T.38.

May I ask why you want to reject the T.38 offer from the carrier?

Cheers





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