Re: No audio for 10 seconds and then comfort noise
"Joshua C. Colp" <[email protected]>
| Newsgroups | gmane.comp.telephony.pbx.asterisk.user |
|---|---|
| Message-ID | <CAM0A2Z2yhh5QRb5ouk4v+ZGj_YP-hGGWErGSrCMrL8duEwxFKw@mail.gmail.com> |
On Thu, May 19, 2022 at 6:04 AM David Cunningham <[email protected]> wrote: > Hi Dovid and Joshua, > > The PSTN is sending RTP immediately after the 200 OK, on both legs of the > call. Since the PCAP taken on the Asterisk server itself shows this RTP > from the PSTN then presumably it can't be a network issue preventing the > RTP. > > Having said that, the problem is not reproduced when the peer is another > Asterisk server on the same network, and that does point to a network > difference. > > Is there any other way in which the RTP keepalive might affect Asterisk's > behaviour? > No, the option only does anything if no RTP has been sent for a period of time. It doesn't fundamentally alter the behavior of RTP in general. Another thing to consider is that a PCAP is taken before any local firewall rules are applied, which can give a false impression that the firewall on the system is not an issue when in reality it can be. That's something to check. -- 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