Details

    • Type: Bug
    • Status: Resolved
    • Priority: Minor
    • Resolution: Fixed
    • Affects Version/s: None
    • Fix Version/s: 1.8
    • Component/s: mod_sofia
    • Security Level: public
    • Labels:
      None
    • CPU Architecture:
      x86-64
    • Kernel:
      Linux
    • Userland:
      GNU/Linux
    • Distribution:
      Debian
    • Distribution Version:
      Debian 8 jessie
    • Compiler:
      gcc
    • FreeSWITCH GIT Revision:
      Version 1.7.0 git 2b1f0da 2016-09-23 20:50:47Z 64bit
    • GIT Master Revision hash::
      2b1f0da

      Description

      When receiving (INVITE) a dynamic payload type of 97 like so:
      m=audio 7446 RTP/AVP 8 0 97
      a=rtpmap:97 telephone-event/8000

      FreeSWITCH answers (200 OK) by forcing payload type 101 like so:
      m=audio 10442 RTP/AVP 8 101
      a=rtpmap:101 telephone-event/8000

      And ignores any DTMF received with payload type 97.


      Apparently it is "widely understood" that the reply should keep the proposed dynamic payload.

      See: https://www.ietf.org/mail-archive/web/sip/current/msg27927.html
      "It doesn't quite say that the offerer must send with a pt listed in the answer, but its clear for consistency that it should. That is widely understood to be the intent."

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            • Assignee:
              mikej Mike Jerris
              Reporter:
              francois Fran├žois
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              Dates

              • Created:
                Updated:
                Resolved: