[asterisk-bugs] [JIRA] (ASTERISK-22789) Asterisk 11: SDP is badly negotiated for telephone events, thus not recognizing DTMF

[Pawel Kuzak (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-22789?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pawel Kuzak updated ASTERISK-22789:
-----------------------------------

                Description: 
After upgrading from Asterisk 10 to Asterisk 11 DTMF recognition does not work as expected. I've attached some SDP examples from test calls. 

# A10_sdp.txt (Callee is Asterisk 10.12.1)
Caller sends INVITE with telephone-event 99, Callee answers with telephone-event 99, Caller sends RTP event with 99, DTMF recognition works, everything is fine

# A11_sdp_1.txt (Callee is Asterisk 11.5.1)
Caller sends INVITE with telephone-event 99, Callee answers with telephone-event 101, Caller sends RTP event with 118 (!), DTMF recognition does not work (here the caller is obviously misbehaving as well)

# A11_sdp_2.txt (Callee is Asterisk 11.5.1)
Caller sends INVITE with telephone-event 106, Callee answers with telephone-event 101, Caller sends RTP event with 101, DTMF recognition does not work (note that the payload type 101 in the 200 OK is also assigned for G726-32(!))

Could you please take a look at it?

  was:
SIP device (1) calling Asterisk (2):

(1) includes payload 96 for telephone events from 0-15 in invite message

(2) acks with payload 101 from 0-16.  It should respond with a subset.  If it does not support payload 96, fine, but do not respond with payload 101 and worse adding an fmtp in the list from the invite

          Affects Version/s: 11.7.0
                             11.5.1
                             11.6.0
             Issue Found by: Customer
    Frequency of Occurrence: Constant
                    Summary: Asterisk 11: SDP is badly negotiated for telephone events, thus not recognizing DTMF   (was: Asterisk 11: SDP is badly negotiated for telephone events)
    
> Asterisk 11: SDP is badly negotiated for telephone events, thus not recognizing DTMF 
> -------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-22789
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-22789
>             Project: Asterisk
>          Issue Type: Bug
>          Components: Core/General
>    Affects Versions: 11.5.1, 11.6.0, 11.7.0
>            Reporter: Pawel Kuzak
>
> After upgrading from Asterisk 10 to Asterisk 11 DTMF recognition does not work as expected. I've attached some SDP examples from test calls. 
> # A10_sdp.txt (Callee is Asterisk 10.12.1)
> Caller sends INVITE with telephone-event 99, Callee answers with telephone-event 99, Caller sends RTP event with 99, DTMF recognition works, everything is fine
> # A11_sdp_1.txt (Callee is Asterisk 11.5.1)
> Caller sends INVITE with telephone-event 99, Callee answers with telephone-event 101, Caller sends RTP event with 118 (!), DTMF recognition does not work (here the caller is obviously misbehaving as well)
> # A11_sdp_2.txt (Callee is Asterisk 11.5.1)
> Caller sends INVITE with telephone-event 106, Callee answers with telephone-event 101, Caller sends RTP event with 101, DTMF recognition does not work (note that the payload type 101 in the 200 OK is also assigned for G726-32(!))
> Could you please take a look at it?

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