I am migrating a company over on one call manager cluster using new hardware. I am migrating from 4.1.3 to 7.0. The customer has a 24/7/365 support center. What can I do to eliminate any downtime for the incoming DID calls on the PRI(s) so that the support center can stay up during the cutover window? Is there any workaround that anyone can think of?
You can do parallel installation with new cluster, then implement simple hunt group for temporary support center. then you should switch PRI to new system, reconfigure IPCC and after that disable hunt group and use IPCC.
If you do it in proper way downtime should be less than one minute.
If you are using only hunt groups that is even easier, you can build parallel system with support contact center phones registered, switch PRI and then migrate all other phones.
Of course you configure trunk between new and old cluster and using Call Forward Not Registered migrate phone by phone with very small delays just for phone registration to new cluster. It's a little bit harder but maybe suitable for your situation.
Thank you PK, I do not see any hunt groups either so I suppose I need to talk to the PRI provider and see what is going on. Can you please send me a link to where I can find the guide to placing one cluster behind the other and what I exactly need to setup to make this phased migration approach work.
I have a detailed plan that did not include this support group because I couldn't find anything in the system. That is why I posted because I thought I was missing something. Really the only thing defined in call manager for this are dummy phones and user's for this support team that login to ccmuser and forward their phones for the coverage. I am trying to figure out how this support is implemented as well.
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The short answer is that you don't.... That isn't entirely true while at
the same time it kind of is, but for the most part you don't configure
the softkeys. You enable or disable them via TCL. Here is the long
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Topology: IP Phone > Switches > Microsoft NPS setup to forward 802.1x
proxy to > ISE 2.1 patch 3 Authentication: EAP-TLS using Cisco MIC SANs
Phone Models 802.1X support? 802.1x flavor Addtl Comment EAP-MD5 EAP-TLS
Cisco 3905 Y Y N Cisco 6911 Y Y N Cisco ...