How do I enable Exchange 2010 MWI with Call Manager 7.x?

With Exchange Server 2010’s new messaging waiting indicator feature, my customer, from a school district in Colorado, was trying to get this to work. Here is a reference I found created by David Howe: To enable MWI 1) Open Cisco Unified CM Administration 2) Click System >  Security Profile > SIP Trunk Security Profile 3)…

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