Which IOS on Cisco 3725 with CUCM 7

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Nov 26th, 2009
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I want to upgrade my CUCM from version 4.3 to version 7.0. I have on a remote site a Cisco 3725 with the SRST feature.

I want to know first if this platform is compatible with CUCM and with which IOS ?

Because I've search on the compatibility tools and matrix on Cisco Site, but I haven't find any reference for this platform.

It's specified that we need to put at minimum an IOS release 12.4.20 T on the Voice Gateway, but the last version for 3725 is 12.4.15 T11

Thanks in advance for your response if someone has encountered this case



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vivkalra Thu, 11/26/2009 - 21:35
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Here is the IOS compatility matrix with the Call Manager which clearly mentions which IOS is

compatible with which CUCM specific to Model of router

Also the link to the Hardware compatibilty :-


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