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IOS Recomendation

We are running CUCM 6.13 with a number of 2821 and 2851 routers as gateways. I would like to get an idea as to what versions of IOS other people are running on these routers. Does anyone here have any recommendations as to what is considered the "best" IOS version to be running?

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Re: IOS Recomendation

12.4(15)T9 is fairly good, as is 12.4(22)T2 (as long as you're not using MGCP).

-nick

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