On Wed, Mar 23, 2022 at 7:07 PM David Cunningham <dcunning...@voisonics.com> wrote:
> Hi Joshua, > > Thanks very much for that information. I guess in that case the 'not > working' scenario has a T38 state of 'T38 was negotiated and is active', > which doesn't help us find the problem much. > > In this case the T38 is passthrough, and in the not working scenario in a > PCAP we see: > PSTN -> Asterisk: 't30ind: cng' packet is received > Asterisk -> ATA: 't30ind: cng' is not sent > > Would you have any suggestion on what could prevent the 't30ind: cng' > being passed through? The Asterisk T38 settings in sip.conf are: > > t38pt_udptl = yes > t38_udptl = yes > t38pt_rtp = no > t38pt_tcp = no > > Thanks again. > Nope. You could see if increasing the core debug and enabling udptl debug on the console sheds any light, otherwise it's just digging into things. -- Joshua C. Colp Asterisk Technical Lead Sangoma Technologies Check us out at www.sangoma.com and www.asterisk.org
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