[cisco-voip] DTMF digits not hitting Voice Gateway

[Brian Meade]

With RFC2833, you're pretty much stuck with packet captures on the
inside/outside of the CUBE assuming media flow-through.

On Wed, Mar 2, 2016 at 7:14 PM, Aaron Banks <amichaelbanks at hotmail.com>
wrote:

> Yes, G.711 and both software and hardware resources.
>
> ------------------------------
> From: ryanhuff at outlook.com
> To: amichaelbanks at hotmail.com
> CC: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] DTMF digits not hitting Voice Gateway
> Date: Wed, 2 Mar 2016 23:25:02 +0000
>
>
> Do these phones have access to MTP resources and if so, software resources
> or hardware resources?
>
> Also, I assume this is G.711, correct?
>
> Thanks,
>
> Ryan
>
> On Mar 2, 2016, at 4:40 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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