[Freeswitch-users] Hot to determine DTMF negotiation outcome

[Bote Man]

I believe this is negotiated when the call is set up and is out of your control once it is completed.

 

Check in the XML file that handles these calls under conf/sip_profiles/ to see if the following flag is set:

 

    <!-- Don't be picky about negotiated DTMF just always offer 2833 and accept both 2833 and INFO -->

    <!--<param name="liberal-dtmf" value="true"/>-->

 

I don't know what the default value is, but if you uncomment that line it should accept the method negotiated with the far end.

 

Hope this helps.

 

 

John Boteler

Bote Communications

Fort Lauderdale, FL

 

 

 

From: Guillermo Ruiz Camauer
Sent: Thursday, 18 December, 2014 16:43
Subject: [Freeswitch-users] Hot to determine DTMF negotiation outcome

 

How can I determine if a call has successfully negotiated a DTMF transfort mechanism?  Case in point:  if I dial out from FS, when the call is established, I want to know if DTMF can be successfully interchanged between the dialed party and FS.  My FS is setup for RCF-2833, but sometimes I get:

 

2014-12-18 16:59:10.309023 [WARNING] sofia.c:8604 IGNORE INFO DTMF(5) (This channel was not configured to use INFO DTMF!)

 

which to me means that the other party is sending DTMF using SIP INFO.  

 

If I only offer RFC-2833 and the other party does not support this, how can I find out about it?

 

Thanks,


 

-- 

Guillermo Ruiz Camauer

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