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

Guido Kuth gk at exram.de
Wed Apr 29 10:21:54 PDT 2009

I have a problem I am trying to solve for several days now. I have FS 1.3.0 installed. I have the default configuration except that I have edited event_socket.conf to match my configuration. I have two computers with x-Lite SIP phone 1000 and 1001. Both started and registered. I call in from 1000 and my esl app answers the call plays back a greeting and after that sends a record_session command and a start_dtmf command.

Now I send the bridge command with sofia/internal/1001 at ip-address. The x-lite 1001 rings and I can take the call the two can talk to each other and both are able to end the call by hanging up the phone, but there is no reaction on any dtmf tone except when I press * and 1-3, cause this is defined by bind-meta-app in default dialplan.

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.

Any help or suggestion is welcome.

Thanks in advance...Guido
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