Are you having this problem using a specific adapter or IP phone? Have
you tried accessing the IVR using a different adapter or a soft phone to
see if the problem still occurs?
A while back I asked about having DTMF issues specifically with an
SPA-2102 adapter. I upgraded both the firmware and Asterisk (to 1.2.14
rev 48468) and the problem seemed to go away. It doesn't hurt to do
some testing by calling a POTS lines and generating DTMF tones to hear
exactly what is being heard on both sides.
Cheers,
Sean.
Mohamed Omar wrote:
I been having issues when I can an extenal number that has IVR. The key
I press are not recognised sometime or are miss read. My Asterisk sever
is connected to PSTN through a SIP trunk to a provider so am not
connected to the PSTN network Directly...
I have no issue with DTMF when I acces Voicemail or any IVR prompt on
my asterisk server, the issue is just when I call an external number...
Currently all my SIP clients are set to DTMF=RFC2833 in sip conf and on
the Devices too...
Codec i'm mainly using is ulaw and the Asterisk version am using is
Asterisk 1.2.13 svn rev 47264...
I'm wondering if someone has come across the same issue or has a
workaround..
Thanks
mohamed.
www.phoneip.net
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