[cisco-voip] Multiple CM Clusters - 1 Unity system

[Lelio Fulgenzi]

The only issue is the TSP. I believe you can only have one TSP loaded at a time. The latest TSP will work better with v7 and should be supported with v4. 

Unless things have changed, your biggest issue with an integration like this is MWI (and MWI refresh). AFAIK, Unity can not assign an integration to a subscriber (like Connection can), so MWIs go out all ports. If you only have a few ports on the v4 system, and MWI refresh will take longer. 



--- 
Lelio Fulgenzi, B.A. 
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1 
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN) 
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Cooking with unix is easy. You just sed it and forget it. 
- LFJ (with apologies to Mr. Popeil) 


----- Original Message ----- 
From: "Micah Bennett" <mbennett at als-xtn.com> 
To: "Matt Slaga (US)" <Matt.Slaga at us.didata.com>, "cisco-voip list" <cisco-voip at puck.nether.net> 
Sent: Friday, March 26, 2010 11:10:34 AM GMT -05:00 US/Canada Eastern 
Subject: Re: [cisco-voip] Multiple CM Clusters - 1 Unity system 




Does the unity server care what versions of call manager it talks to? 



The main cluster with 99% of the users is 7.x. 



The second cluster is only staying in service to server our Call Centers until they are migrated to Avaya. I only have a few users staying on that system that have voicemail. That CM cluster is 4.2(3). 



A few ports for the smaller system should be plenty. 




Micah Bennett 






From: Matt Slaga (US) [mailto:Matt.Slaga at us.didata.com] 
Sent: Friday, March 26, 2010 9:55 AM 
To: Micah Bennett; cisco-voip list 
Subject: RE: Multiple CM Clusters - 1 Unity system 



It is absolutely possible, however you have to carve out the Unity ports between the systems, as they cannot be shared. I.e, if you have 32 ports and 4 systems, you could do 8 ports per system. You also have to configure each UCM cluster in the Unity TSP . 





From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Micah Bennett 
Sent: Friday, March 26, 2010 10:51 AM 
To: cisco-voip list 
Subject: [cisco-voip] Multiple CM Clusters - 1 Unity system 



Is it possible for multiple CM Clusters (different Versions) to point to one common Unity Server. 



Micah Bennett 
Telecommunications Admin 
Active Outdoors 








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