We are in the process of migrating one of our customer from VM to UM but not sure how to migrate the users here is the scenario, customer currently has Exchange 2003, Unity 4.0.5 in mixed VM/UM licensing .
They are upgrading Exchange 2003 to 2007 but their Exchange 2003 server will be there till they migrate all the users and VM mailboxes to Exchange 2007 server.
Customer has built Unity 5.0 on new server with Exchange 2007 as partner server.
Now they have Unity 4 and 5 , for Unified users GSM worked great to move from 4.x to 5.x server but not sure how to migrate the VM only user from Unity 4.x Exchange 2003 to Unity 5.x Exchange 2007 server.
I did use GSM for all UM users to move from old (4.x with E2k3) to new Unity server (5.x with E2k7) without any issues. Since this doesn't allow you to change alias I tried to use MSM to move those VM to UM users then I was able to do that with COBRA.
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
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