Hi,

Mine was a combination of things.  One problem seemed to be as I described in an earlier post, that something (dahdi?) was not happy if I disconnected the trunk lines.  This manifested as the dtmf problem and echo cancelling problem (and "cat /proc/dahdi/1" would show oslec as INACTIVE).  Even after figuring out that shutting down the machine and restarting helped, I still had an occasional echo problem even though "cat /prod/dahdi/1" showed that oslec was active.  I eventually fixed that by increasing the taps to 128 in zt.conf.

As you can no doubt tell from my posts, I am a relative noob to freeswitch, but these are things which worked for me.  I did a previous installation which was sip only (no analog card), and that was much easier!

Best,
Tim

On 01/22/2013 02:16 AM, Viacheslav Dubrovskyi wrote:
14.01.2013 06:39, Tim Bock пишет:

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?

Found this post
http://fonality.com/trixbox/forums/trixbox-forums/help/inbound-dtmf-pri-t-analog

It seems that explains. But I not sure.




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-- 
Tim Bock
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www.synacktics.com
(505)795-1511