On Thu, Jul 1, 2010 at 09:54, Roger Wiklund <[email protected]> wrote: > Hi > > I have a very strange issue. > > Using a Cisco 2811 router with PRI connecting to customers PBX. SIP trunk > towards Verizon. > Incoming and outgoing calls are working just fine, using G.729 codec. > DTMF RFC288 configured, and I can see in the SIP invites and 200ok messages > that it is indeed using RFC2833. > > However, when customer makes an outgoing call, and the press any key, I can > hear the tone, and I see the DTMF in the router with debug voip rtp session > but after that, RTP is dead in the outbound direction.
Is the RTP stream still present but just no audio being encoded, or does the RTP stream stop? > Any tips? > > I've tried G711, IOS upgrade, all dtmf-relay methods available, no go =( I'm > starting to thing its something with the PBX.. Does a T-Bird exhibit the same symptoms? Can you hear audio if you monitor the PRI B channel when this happens? Andy [email protected] _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
