[cisco-voip] Intermittent Call Forward Display problem

[Matthew Saskin]

What is being displayed on the phone when it should say that the line has
been forwarded?  There are a number of different status messages, all with
different priorities attached to them which may take precedence over call
forward being displayed.

Matthew Saskin
msaskin at gmail.com
203-253-9571

July 18, 2010 - 1500m swim (in the hudson), 40k bike, 10k run
Please support the Leukemia & Lyphoma Society
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On Tue, Jun 29, 2010 at 10:37 AM, polo person <poloperson57 at hotmail.com>wrote:

>  I have a very intermittent problem with Call Forwards and I wonder if
> anyone else has experienced this?
>
> On some phones that use the "Forward All" function a lot, (i.e. they are
> setting a Call Forward All Calls, then unsetting it regularly) we find from
> time to time they will be set to Forward All calls, (and calls are
> forwarding) but the display will not say the phone is forwarded. On other
> occasions, the phone will say it is forwarded, when in fact it is not.
>
> It appears to be a problem with the display, in that calls are being routed
> exactly as they should be according to the Call Manager setup, it's just the
> the display on the phone doesent always reflect what the Call Manager is set
> to do.
>
> Unplugging the phone / resetting the phone fixes the display so it then
> displays correctly.
>
> It has been a problem on 3 phones out of 16,000 (!!), and interestingly it
> nearly always happens on a Friday, usually in the afternoon.  We have worked
> around it by using the Web page to set / unset call forward but of course
> doing it this way resets the phone when the call forward is set / unset.
>
> Today another group of 3 phones have reported similar problems, and I'm
> wondering if there is a bug we might know about?
>
> Call Manager 6.1.3.2103-1
>
> 1 Pub, 6 Subs, 1 TFTP
>
> Mix of 7911's (SIP11.8-4-3s) and 7941's (SIP41.8-4-3s) being affected
>
> I have replaced one 7911 to see if it a phone fault, but the new phone does
> it as well.
>
> Any ideas?
>
>
> Cheers
>
> Simon
>
>
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