[cisco-voip] IOS / CM

[Ed Leatherman]

I have upgraded a few vg224 to 15, prepping for the same cm upgrade, so far no problems

Sent from my iPhone

On Jul 19, 2010, at 1:17 PM, Scott Voll <svoll.voip at gmail.com> wrote:

> So we are moving from CM 4.2 to 7.1.5.
> 
> according to this: http://www.cisco.com/en/US/customer/docs/voice_ip_comm/uc_system/unified/communications/system/versions/IPTMtrix.html#wp1016708 we need all our Router up to 15.0.1M for CM 7.1.3
> 
> my questions:
> 
> 1.  What about 7.1.5?
> 2.  Why do you need to upgrade to a 15.0 IOS?  Could 12.4T work?
> 3.  If we upgrade IOS to 15.0 will the Routers (VGWs) still work on CM 4.2?
> 
> If you have any info on the relationship between IOS and CM I would like to understand it more completely.  I have both H323 and MGCP VGW's.  Since some of them are H323 does the IOS requirements go out the window?
> 
> Thanks
> 
> Scott
> 
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