[asterisk-users] Problems with DTMF on IVRs

[Ruchir]

Have you set dtmf mode rfc2833 or avt in your phone?

On Thu, Aug 28, 2008 at 4:29 PM, Chris Mason (Lists) <lists at masonc.com>wrote:

> I have a client with 30 extensions, all Polycom 501 phones, an Asterisk
> 1.2.30.2 installation, and trunking over SIP to TelIAX. Everything works
> fine except where they need to use DTMF to navigate IVRs such as
> Dell.com. The tones are not recognized at all.
> My sip.conf lists for each extension:
>
>        dtmfmode=rfc2833
>
> and in the [general] section: relaxdtmf=yes
>
> I have a very similar system at my office nad DTMF works.
>
> Any ideas why this does not work?
>
> Chris Mason
> Comet Systems
>
>
>
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