Call Manager/CUCM co exist advice please.

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Mar 21st, 2010
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Hi all

Looking for a little advice if possible.

We have a Callmanager Pub Sub config (4.1(3)  at the moment with IPCC 4.0(5),

we have new servers coming in, new install CUCM 7, but not upgrading IPCC for another 8 months.

We have quite a complex dial-plan, I am after advice really how best to tackle this as we will have

to co-exist both callmanager versions and they must be connected (Inter Clus Trunk)

How would you suggest I replicate the dial plan and CSS,PARTITION etc.  to CUCM 7, also 4.1 will have to carry on serving IPCC.

All new phoned#s added will have to go onto CUCM 7.

The gateways I presume will have to remain registered with CM 4.1, to handle offnet calls ?

Any advice or docs would be appreciated.

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Rob Huffman Mon, 03/22/2010 - 05:39
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Hi there,

There are some excellent references and multiple strategies in this doc;

System Installation and Upgrade Manual for IP Telephony Enterprise and Midmarket

If you read through the "Upgrade" sections your plan may become more clear.




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