[asterisk-users] ConfBridge dtmf_passthrough=no doesn't have any effect. Bug?

Leif Madsen leif.madsen at asteriskdocs.org
Fri Sep 28 06:24:34 CDT 2012

On 28/09/12 06:50 AM, Markus wrote:
> Hi list!
> ConfBridge dtmf_passthrough=no doesn't seem to have any effect. DTMF
> gets transmitted throughout the conference. I've tried Asterisk 10.7.1
> from the official RPMs and 10.8.0 compiled from source.
> I've confirmed that it's disabled via the CLI "confbridge show profile
> user <profilename>".
> It's an all-SIP scenario with RFC2833 as the DTMF protocol.
> Is this a known bug?

Searching the issue tracker (hint, hint) does not return any 
dtmf_passthrough issues other than this one[0], which doesn't look to be 

Is another channel connected to the conference receiving the DTMF? Is 
that what you're intending? Because from my understand that is the 
intention, and not simply to limit the DTMF from being in the conference 
in the first place. At least that is almost how it reads in your message.

[0] https://issues.asterisk.org/jira/browse/ASTERISK-20150

Leif Madsen

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