DTMF problems happen at the point where the PSTN call is converted to
VoIP. EXCEPT where you are using inband DTMF and ulaw or alaw codec.
inband DTMF does not work with any other codec.
Mr. Jones wrote:
Hi Folks,
I'm trying to test out Asterisk overall.
I'm having some problems with DTMF. Currently I'm playing with DISA,
but I'm worried this will happen when I get to implementing AAs etc.
I have a free SIP trunk from IPKall that I'm trying to make work.
I'm able to receive calls, and I've now setup and extension with DISA
and a password.
I connect ok from the PTSN, get the dialtone, and enter the password.
In the CLI I'm getting duplicate/extra/incorrect digits.
I've tried dtmfmode=auto, dtmfmode=inband, and dtmfmode=rfc2833 all
with similar results.
For testing I set the password to 67891 here's what I'm getting (small
sample size, but its pretty random):
app_disa.c:292 disa_exec: DISA on chan SIP/66.54.140.46-09078d00 got
bad password 677891
app_disa.c:292 disa_exec: DISA on chan SIP/66.54.140.46-09078cc8 got
bad password 6709
app_disa.c:292 disa_exec: DISA on chan SIP/66.54.140.46-09078cc8 got
bad password 677891
Any hints or tips are appreciated.
B
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