[Freeswitch-users] Re-2: Serious Problem detecting DTMF in bridged SIP call using ESL

Guido Kuth gk at exram.de
Wed Apr 29 10:48:32 PDT 2009

First thanks for your reply.

I have subscribed to all Events, so this can't be the mistake. I sent start_dtmf app to FreeSwitch in caller channel and the wiki says that you have to do this on sip channels to enable inband dtmf. I checked sofia.conf and I have found that param dtmf-type is commented out. Would it be helpful to set this to "info"? I think setting it to "rfc2833" would not be very meanigfull.

I will try to update to svn trunk tomorrow.

Again thanks for first help...Guido

Original Message        processed by David.InfoCenter 
Subject: Re: [Freeswitch-users] Serious Problem detecting DTMF in bridged SIP call using ESL (29-Apr-2009 19:34)
From:    Brian West <brian at freeswitch.org>
To:      gk at exram.de

If you subscribe to the event you will receive one on every DTMF press if FreeSWITCH gets it... if you happen to be getting them via inband you won't receive an event unless you enable the inband detection app. 


I also highly recommend you update to SVN trunk.


On Apr 29, 2009, at 12:21 PM, Guido Kuth wrote:

What I need is that I get an Event on DTMF Entry on the bridged call. Please I have to resolve this, cause this is the reason why I came from Asterisk to FreeSwitch.

Brian West
brian at freeswitch.org

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