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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