[Freeswitch-users] Cisco media gateway and DTMF
Michael Jerris
mike at jerris.com
Wed Jan 13 12:41:51 PST 2010
What are you doing with these digits on the freeswitch side, what is it thinking is passed, and do you see anything in debug logs. You also could uncomment the #define DEBUG_2833 from switch_rtp.c for more info.
Mike
On Jan 13, 2010, at 3:12 PM, Dan wrote:
> Thanks for your reply,
>
> Wireshark shows all of the digits coming through cleanly, in the case below (also on pastebin) its 0951*72789, freeswitch does not seem to be processing one or more of the rtp events. Is there some specific debugging I should turn on that might give me some more info on why freeswitch is not processing some of these events?
>
> http://pastebin.freeswitch.org/11780
>
> 449 12.280148 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Zero 0
> 450 12.285108 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Zero 0
> 451 12.290082 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Zero 0
> 452 12.335129 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Zero 0 (end)
> 453 12.340124 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Zero 0 (end)
> 454 12.345124 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Zero 0 (end)
> 455 12.365162 192.168.3.21 192.168.6.130 RTP PT=ITU-T G.711 PCMU, SSRC=0x1D050315, Seq=21862, Time=359229277, Mark
> 456 12.380167 192.168.3.21 192.168.6.130 RTP PT=ITU-T G.711 PCMU, SSRC=0x1D050315, Seq=21863, Time=359229605
> 461 12.385248 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Nine 9
> 462 12.385253 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Nine 9
> 465 12.390163 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Nine 9
> 466 12.435211 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Nine 9 (end)
> 467 12.440201 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Nine 9 (end)
> 468 12.445205 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Nine 9 (end)
> 469 12.480251 192.168.3.21 192.168.6.130 RTP PT=ITU-T G.711 PCMU, SSRC=0x1D050315, Seq=21870, Time=359230405
> 470 12.485275 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Five 5
> 471 12.485284 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Five 5
> 472 12.490251 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Five 5
> 475 12.535277 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Five 5 (end)
> 476 12.540287 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Five 5 (end)
> 477 12.545287 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Five 5 (end)
> 478 12.580337 192.168.3.21 192.168.6.130 RTP PT=ITU-T G.711 PCMU, SSRC=0x1D050315, Seq=21877, Time=359231197
> 484 12.585337 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF One 1
> 485 12.585343 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF One 1
> 486 12.590362 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF One 1
> 492 12.635393 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF One 1 (end)
> 493 12.640368 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF One 1 (end)
> 494 12.645369 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF One 1 (end)
> 495 12.665406 192.168.3.21 192.168.6.130 RTP PT=ITU-T G.711 PCMU, SSRC=0x1D050315, Seq=21884, Time=359231677, Mark
> 496 12.680431 192.168.3.21 192.168.6.130 RTP PT=ITU-T G.711 PCMU, SSRC=0x1D050315, Seq=21885, Time=359232005
> 497 12.680438 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Star *
> 502 12.685408 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Star *
> 506 12.690412 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Star *
> 507 12.735450 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Star * (end)
> 508 12.740453 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Star * (end)
> 509 12.745469 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Star * (end)
> 511 12.780526 192.168.3.21 192.168.6.130 RTP PT=ITU-T G.711 PCMU, SSRC=0x1D050315, Seq=21892, Time=359232805
> 512 12.780534 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Seven 7
> 513 12.785502 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Seven 7
> 514 12.790492 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Seven 7
> 515 12.835544 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Seven 7 (end)
> 516 12.840537 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Seven 7 (end)
> 517 12.845537 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Seven 7 (end)
> 523 12.880582 192.168.3.21 192.168.6.130 RTP PT=ITU-T G.711 PCMU, SSRC=0x1D050315, Seq=21899, Time=359233605
> 524 12.885593 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Two 2
> 525 12.885599 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Two 2
> 526 12.890580 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Two 2
> 528 12.935618 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Two 2 (end)
> 529 12.940618 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Two 2 (end)
> 530 12.945618 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Two 2 (end)
> 531 12.965656 192.168.3.21 192.168.6.130 RTP PT=ITU-T G.711 PCMU, SSRC=0x1D050315, Seq=21906, Time=359234077, Mark
> 532 12.980659 192.168.3.21 192.168.6.130 RTP PT=ITU-T G.711 PCMU, SSRC=0x1D050315, Seq=21907, Time=359234413
> 538 12.985690 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Seven 7
> 539 12.985695 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Seven 7
> 540 12.990657 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Seven 7
> 541 13.035703 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Seven 7 (end)
> 542 13.040701 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Seven 7 (end)
> 543 13.045700 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Seven 7 (end)
> 544 13.080762 192.168.3.21 192.168.6.130 RTP PT=ITU-T G.711 PCMU, SSRC=0x1D050315, Seq=21914, Time=359235205
> 545 13.080768 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Eight 8
> 546 13.085736 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Eight 8
> 547 13.090798 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Eight 8
> 549 13.135809 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Eight 8 (end)
> 550 13.140780 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Eight 8 (end)
> 551 13.145793 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Eight 8 (end)
> 554 13.180827 192.168.3.21 192.168.6.130 RTP PT=ITU-T G.711 PCMU, SSRC=0x1D050315, Seq=21921, Time=359236005
> 558 13.185847 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Nine 9
> 559 13.185854 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Nine 9
> 560 13.190821 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Nine 9
> 566 13.235872 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Nine 9 (end)
> 567 13.240864 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Nine 9 (end)
> 568 13.245872 192.168.3.21 192.168.6.130 RTP EVENT Payload type=RTP Event, DTMF Nine 9 (end)
> ----- Original Message -----
> From: "Brian West" <brian at freeswitch.org>
> To: freeswitch-users at lists.freeswitch.org
> Sent: Wednesday, January 13, 2010 12:39:52 PM
> Subject: Re: [Freeswitch-users] Cisco media gateway and DTMF
>
> Cisco gateways can detect DTMF at random if you have kids screaming or loud noises in the background... very unreliable.
>
> /b
>
> On Jan 13, 2010, at 1:36 PM, Dan wrote:
>
> Sorry, I should have made that more clear, this is using 2833. As I mentioned tcpdump shows all the digits coming through as DTMF events on the RTP stream (and all the correct DTMF digits are coming through).
>
>
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