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 <[email protected]> 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
