Hi Dovid, We're using Enswitch so it uses AGI rather than a regular Asterisk dialplan, but perhaps sending it to a custom-made Asterisk context with the lines you suggest could be the best way forward.
Thank you for that. On Thu, 3 Dec 2020 at 13:01, Dovid Bender <do...@telecurve.com> wrote: > David, > > Does Asterisk send a 180 or a 183 with SDP? We have found that using these > two lines help (where xc is a 500ms blank sound file) > Exten => _X.,n, Progress() > Exten => _X.,n, Playback(xc,noanswer) > > > On Wed, Dec 2, 2020 at 4:30 PM David Cunningham <dcunning...@voisonics.com> > wrote: > >> Hello, >> >> We have a problem with a SIP doorbell device which sends media one way >> only, and NAT at the receiving device. >> >> When the doorbell button is pressed it makes a call to a configured >> destination. Since the doorbell only sends and doesn't receive it sends the >> INVITE with sendonly in the SDP, and the destination then replies with a >> 200 OK with recvonly in the SDP. >> >> The problem is that the destination is behind NAT, and its reply contains >> a private network IP in the SDP. Normally Asterisk when nat=yes works >> around that by adjusting the destination for RTP to be the address it >> actually receives audio from, however because this device is recvonly >> Asterisk never receives audio from it. This means Asterisk keeps trying to >> send the doorbell's RTP to the private network IP which of course fails, >> and the destination never gets the RTP from the doorbell. >> >> Does anyone know how to work around this issue? >> >> Thank you in advance, >> >> -- >> 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 > > -- > _____________________________________________________________________ > -- 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
