[Freeswitch-users] dtmf problem

Tim Bock jtbock at synacktics.com
Mon Jan 14 07:39:10 MSK 2013


Hello List,

I have a freeswitch server with a digium tdm wildcard.  Compiled, 
enabled, and configured freetdm and dahdi...all seems to be working fine 
(can make/receive calls).

My problem is with dtmf.  When calling from an external pstn number to 
freeswitch, dtmf seems to be detected properly and consistently. But 
when calling from a cell phone or via another voip line, dtmf doesn't 
seem to be detected, or detected only occasionally.

On the same system, if I call into the voip number, calls from any of 
the three external options (landline, cell, sip) all seem to work fine 
with dtmf.

So the problem seems to be something I've misconfigured with the tdm 
card.  Can anyone point me in the right direction?

Thank you,
Tim




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