Re: T38 state values
David Cunningham <[email protected]>
| Newsgroups | gmane.comp.telephony.pbx.asterisk.user |
|---|---|
| Message-ID | <CAHGbP-_67yGxpXzPdWqhHRbsUGFhs_3bnSue6HYj-w8LGvB4Jw@mail.gmail.com> |
Hi Joshua, Thank you for that. In the end it seems to have been a firewall blocking the UDPTL ports. On Thu, 24 Mar 2022 at 11:15, Joshua C. Colp <[email protected]> wrote: > On Wed, Mar 23, 2022 at 7:07 PM David Cunningham < > [email protected]> 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 > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > Check out the new Asterisk community forum at: > https://community.asterisk.org/ > > New to Asterisk? Start here: > https://wiki.asterisk.org/wiki/display/AST/Getting+Started > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users -- David Cunningham, Voisonics Limited http://voisonics.com/ USA: +1 213 221 1092 New Zealand: +64 (0)28 2558 3782 -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- Check out the new Asterisk community forum at: https://community.asterisk.org/ New to Asterisk? Start here: https://wiki.asterisk.org/wiki/display/AST/Getting+Started asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users