[asterisk-bugs] [JIRA] (ASTERISK-29246) chan_ooh323, dtmf transit problem

[Dmitry Melekhov (JIRA)]

Dmitry Melekhov created ASTERISK-29246:
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             Summary: chan_ooh323, dtmf transit problem
                 Key: ASTERISK-29246
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29246
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Addons/chan_ooh323
    Affects Versions: 18.1.0
         Environment: Oracle Linux 8
            Reporter: Dmitry Melekhov


Hello!

I migrated our centos6 and asterisk 13 installation to oracle linux 8 and asterisk installation several days ago using the same configuration as before.
Yesterday user complained that he can't reach conference room on another side's cisco cucm and to enter this room he have to enter dtmf code, which is not recognized.

This is how our systems are connected:

PBX<--isdn pri-->asterisk<--h323-->ast-neftisa<---h323-->cucm

I got traffic dump on ast-neftisa and I see no dtmf code passed to cucm address 10.77.6.21, I'll upload traffic dump.

But if I set asterisk call flow to sip between asterisk, then I see dtmf in dump
and everything works as expected
PBX<--isdn pri-->asterisk<--sip-->ast-neftisa<---h323-->cucm

Unfortunately, I have no idea what is changed between asterisk 13 and 18, but looks like bug in chan_oo323 for me..



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