[Asterisk-Users] Zap DTMF detection

[Ryan Amos]

I am having some troubles with DTMF detection on zap channels when the
remote caller is calling from a noisy cell phone. It is actually
detecting multiple DTMF tones (usually 2 or 3) when only one is sent
(i.e. I press '3' and Asterisk is detecting that as '333'.) I don't know
the exact situation with regards to signal strength, etc, but it seems
to happen more often from users located in other cities. Here is my
zapata.conf (I have tried with relaxdtmf set to yes and no, with no
difference.)

 

[channels]

usecallerid=yes

hidecallerid=no

callwaiting=yes

threewaycalling=yes

transfer=yes

echocancel=yes

echocancelwhenbridged=no

echotraining=yes

pickupgroup=1

immediate=no

callprogress=no

relaxdtmf=yes

 

signalling=pri_cpe

switchtype=national

context=default

rxgain=15.0

group=1

channel => 1-23

 

 

Has anyone else had and solved this problem? 

 

-Ryan

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