[cisco-voip] Multiple Version of CUCM integrated with CER

[Dave Goodwin]

In a previous design project, what was learned from the CER product team
was that the CM version used by a CER Server Group is specific to that CER
Server Group only. It is allowed to have one single CER cluster comprised
of multiple CER Server Groups, where each group could be integrated with a
different CM version. Note that I was not involved in the project past the
design phase, so I am not sure how that turned out.

On Wed, Oct 21, 2015 at 1:50 PM, Heim, Dennis <Dennis.Heim at wwt.com> wrote:

> Been down this design before… each CER Group/cluster can support 1 version
> of CUCM. So technically from a support perspective, you would need 2. Maybe
> you can get some temp licenses from Cisco? The issue is our good friend
> JCRAPI.. I mean JTAPI.
>
>
>
> *Dennis Heim | Emerging Technology Architect (Collaboration)*
>
> World Wide Technology, Inc. | +1 314-212-1814
>
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>
> [image: chat][image: Phone] <+13142121814>[image: video]
>
> “There is a fine line between Wrong and Visionary. Unfortunately, you have
> to be a visionary to see it." – Sheldon Cooper
>
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> miss it, but that it is too low and we reach it.” -- Michelangelo Buonarroti
>
> “We should tansform the way we work” -- RowanTrollope
>
>
>
> *Click here to join me in my Collaboration Meeting Room
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>
> *From:* cisco-voip [mailto:cisco-voip-bounces at puck.nether.net] *On Behalf
> Of *NateCCIE
> *Sent:* Wednesday, October 21, 2015 1:32 PM
> *To:* 'Mike Lydick' <mike.lydick at gmail.com>; cisco-voip at puck.nether.net
> *Subject:* Re: [cisco-voip] Multiple Version of CUCM integrated with CER
>
>
>
> *Support* or work with?  It works, but you may not get support if it
> doesn’t.
>
>
>
> *From:* cisco-voip [mailto:cisco-voip-bounces at puck.nether.net
> <cisco-voip-bounces at puck.nether.net>] *On Behalf Of *Mike Lydick
> *Sent:* Wednesday, October 21, 2015 11:14 AM
> *To:* cisco-voip at puck.nether.net
> *Subject:* [cisco-voip] Multiple Version of CUCM integrated with CER
>
>
>
> We are doing a parallel migration of several CUCM clusters. The current
> production CUCM cluster is 8.5 and is integrated with CER 10.5. We need to
> support the user migration to 2 new CUCM 10.5 clusters. So the requirement
> would be for CER 10.5. to support (1) CUCM 8.5 and (2) CUCM 10.5 clusters.
>
>
>
> We see only one CUCM Version selection option in CER. Does CER support
> Multiple CUCM versions simultaneously?
>
>
>
> Thanks!
>
>
>
> Mike Lydick
>
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