[cisco-voip] Upgrading CM from 4.2 to 8.6 IOS upgrade required ?

Mon Apr 9 11:41:17 EDT 2012

Cisco specifies some compatibility guidelines for h.323 devices within the CUCM Compatibility list, the reality is that an H.323 Gateway is a standalone device and h.323 is a standard so I would take a stab and say that as old as the IOS might be, 95% of all functions you might require will most likely work with your current IOS but the usual Leal caveat of Your mileage may vary is also included.

Jorge

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Ki Wi
Sent: Sunday, April 08, 2012 10:31 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] Upgrading CM from 4.2 to 8.6 IOS upgrade required ?

Customer is using h323. 

Unless MVA is required else can we leave the router in their original firmware ?

Sent from my iPhone
Pls pardon my fat fingers.
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