[cisco-voip] Inter-cluster Trunk & MWI

[Michael Back]

Thanks again for the responses.  After playing around with the system a
bit, I removed the MWI extensions in the new cluster, and I turned QSIG
off and then back on, on both sides of the cluster.  Voila it now works
fine!  Thank goodness this is only a temporary situation.

>>> Ryan Ratliff <rratliff at cisco.com> 2/11/2009 1:11 PM >>>
After much deliberating and accusations of illicit substances being  
consumed we've come to the conclusion that either the call getting  
sent over your ICT is not being encoded as Qsig correctly or your  
Qsig variant is incorrect.

If you look at CCM traces the Setup message coming into the  
destination cluster should have a Facility IE.  Within that IE should 

be an operation type of 80 or  81 (on/off).

The Qsig variant is set via CCM service parameter and really  
shouldn't be changed from the default.

-Ryan

On Feb 11, 2009, at 9:32 AM, Ryan Ratliff wrote:

Sounds like you are dialing the phone on the remote cluster.   I'd  
take a look at CCM traces from the cluster 2 to see what is dialing  
the phone.

-Ryan

On Feb 10, 2009, at 5:09 PM, Michael Back wrote:

I have seen a couple of threads about sending MWI across an ICT to
another cluster.  I am having some trouble getting this to work
correctly.  I have QSIG enabled on the trunk.  When a message is left
in
the mail box, I hear a chirp on the phone in the other cluster and see
a
missed call.  When the message is deleted, same thing happens again.
So, I would guess that MWI is hitting the phone but not able to turn
on
the light.  Cluster 1 is 4.1.3 and cluster 2 is 7.0.1.  I am using
Unity
5 integrated with cluster 1.  Does anyone have any suggestions for why
this would happen.  Thanks for your help.
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