[cisco-voip] DTMF digits not hitting Voice Gateway

[Brian Meade]

What DTMF are you negotiating on both sides?  I would assume RFC2833 end to
end?

On Wed, Mar 2, 2016 at 4:39 PM, Aaron Banks <amichaelbanks at hotmail.com>
wrote:

>
>
> This problem has been resolved but I thought I'd put it out to the group
> for feedback, suggestions or general discussion.
>
> One the odd occasion, this customer (who has 8861,8841,7821 SIP phones)
> calls a business with an IVR and the DTMF digits don't work.  It's odd (and
> infrequent).  The caller waits after pressing a digit and eventually the
> call drops.
>
> My solution is to reset the SIP trunk between CUCM (v10.5.2) and CUBE.  In
> all instances, the issue is resolved.  On the other side of the CUBE is
> service provider SIP trunks.
>
> My question to the group is do any of you have the same issue with SIP
> phones?  If so, what do you do?
>
> Aaron
>
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