[asterisk-bugs] [JIRA] (ASTERISK-29700) DTMF is sent in RTP events even if remote 200 OK omits telephone-event

[Kingsley Tart (JIRA)]

Kingsley Tart created ASTERISK-29700:
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             Summary: DTMF is sent in RTP events even if remote 200 OK omits telephone-event
                 Key: ASTERISK-29700
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29700
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: pjproject/pjsip
    Affects Versions: 18.7.1
         Environment: Debian 10. Asterisk compiled from source.
            Reporter: Kingsley Tart


a. Asterisk receives INVITE containing SDP telephone-event
b. Asterisk uses Dial with pjsip and sends INVITE to destination
including SDP telephone-event
c. Asterisk receives 200 OK back from destination WITHOUT telephone-
event
d. Asterisk forwards DTMF received to the destination in RTP events instead of falling back to inband audio

We do have spandsp installed (if that's relevant?). This Asterisk installation DOES recognise inband audio DTMF being sent in to it.




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