[cisco-voip] MWI issues in CCM 5.1.1 3000-5

[Wes Sisk]

5.1.1 subject to many change notification failures which would break MWI.

Erick Bergquist wrote:
> Does anyone know of any odd MWI issues in CCM 5.1.1 ?
>
> Have a client where we got most of the MWI issues resolved, but every
> now and then someones light does not come on or go off. They can leave
> themselves a new VM and go check it and delete it and sometimes the
> light will go off, but sometimes this does not get it to go off and
> they need to dial the MWI off extension.
>
> They are using Time Of Day routing and Extension Mobility. The time of
> day partition and extensions are CTI ports which fwd calls to VM, and
> this partition is not in the Calling Search Space for the 3 voice mail
> ports used for Dial out MWI. We have Unity set to only dial out MWI on
> these 3 ports with proper search space that calls extensions on hard
> IP Phones or extension mobility partition.
>
> Since it happens sporadically, and we don't have good idea when MWI
> was a problem for someone, it is kind of hard to get traces from time
> of the problem. But MWI works fine for the extensions whenever we try
> to duplicate the problem. It goes on and off as expected.
>
> Erick
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