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

[george.hendrix at l-3com.com]

We have several h.323 gateways with conf bridges, etc.  Some of the gateways are running 12.4 IOS and some 15.X,.  We haven't seen any issues.

Bill

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jason Burns
Sent: Monday, April 09, 2012 7:48 PM
To: Ki Wi
Cc: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Upgrading CM from 4.2 to 8.6 IOS upgrade required ?

http://www.cisco.com/en/US/docs/ios/voice/command/reference/vr_s01.html#wp1295893
On Mon, Apr 9, 2012 at 6:44 PM, Ki Wi <kiwi.voice at gmail.com<mailto:kiwi.voice at gmail.com>> wrote:
Hi Jason,
Thanks!

In that case, I'm wondering is there a recommended/compatible version by Cisco for each CUCM release? Anyone out there happens to know ?

Was looking thru it, managed to find a list of softwares including IOS released together with CUCM. However, they are simply consider same release 'train'. Not minimum version to run with CUCM or other component like ucce or uccx.

Sent from my iPhone
Pls pardon my fat fingers.

On 10 Apr, 2012, at 12:22 AM, Jason Burns <burns.jason at gmail.com<mailto:burns.jason at gmail.com>> wrote:
Are you using IOS hardware conferencing, transcoding, or MTP?

In those cases I recommend upgrading IOS to something that supports the right "sccp ccm <> version <>" command. This way you get the best support for things like RFC2833 on your MTPs and Transcoders.

Otherwise I agree that the H.323 GWs themselves are mostly version independent for compatibility.

-Jason
On Mon, Apr 9, 2012 at 11:41 AM, Jorge L. Rodriguez Aguila <jorge.rodriguez at netxar.com<mailto:jorge.rodriguez at netxar.com>> wrote:
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> [mailto: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<mailto: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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