Try with dtmfmode=auto and DTMF Tx Method: InBand+INFO, this was the
best configuration for me, although still not 100% guarantee. If the
dtmf tones are sent very fast without a 1 sec delay, in most of the
cases asterisk won't detect half of them. There are a couple of patches
for the trunk regarding this issue, but they didn't work for me.
HTH,
Vahan
Chris Mason (Lists) wrote:
I have three Sipura 3000 FXO untis for incoming PSTN lines on a small
pbx. There is an IVR to select the extension. The DTMF tones are not
being sensed so the IVR does not work and incoming calls are not being
answered. I have listed my sip.conf entries.
Is there any solution to this?
[snip]
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