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

[Dmitry Melekhov (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-29246?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=253502#comment-253502 ] 

Dmitry Melekhov commented on ASTERISK-29246:
--------------------------------------------

OK, more info - inband or rfc2833 does not work in case h323-h323 transit, h245signal or h245alphanumeric works,
but only if it is set globally, setting let's say dtmfmode=inband in peer configuration changes nothing... :-(
So, good- now I have working workaround, bad- something is wrong with inband ans rfc2833 methods.
Thank you!

> 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
>         Attachments: dump1.dump.gz, dump.dump.gz
>
>
> 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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