The Three UC Amigos

Three Microsoft UC technology specialists covering U.S. Education

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  • Blog Post: Are there specific PBX or SIP gateway configuration technotes for Exchange 2010 UM?

    A university moving away from Modular Messaging to Exchange 2010 UM wanted to know.  Yes, the Exchange team has posted all of the Exchange 2010 UM validated PBXes and SIP gateways config notes here . These technotes have detailed config information for NEC, Cisco, Avaya, Nortel, Siemens, and many...
  • Blog Post: How does faxing work with Exchange unified messaging?

    I had this question from a university in the rocky mountain range.  With Exchange Server 2007 unified messaging, the UM server can directly detect a fax tone using the T.38 FOIP (Fax Over IP) standard and route inbound faxes to an extension. It does not provide the ability to send faxes outbound...
  • Blog Post: Are there any PBX settings I could reference to help get me going with Exchange 2010 UM?

    I was asked this by a school district in Utah converting their entire school district (12,000 seats) to Exchange 2010 voicemail.  The answer is yes. We have tested several PBXes and developed PBX configuration notes you can leverage to assist you with your UM implementation: Visit the PBX config...
  • Blog Post: Where should I place my Exchange UM server?

    This is a common question I get since your PBX may not be in the same place as your mailbox servers.   Where do I put the Exchange UM components if I have a PBX in one location and an Exchange mailbox in another?   The typical rule of thumb to follow is: Place your SIP gateways close to your...
  • Blog Post: 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...
  • Blog Post: How can I delegate the UM administration to my telco team?

    I had an Ivy league university ask about this.  There is a way to do this documented below:   General split permission model - http://technet.microsoft.com/en-us/library/aa996881(EXCHG.80).aspx . UM Split Permission model - http://technet.microsoft.com/en-us/library/bb266903(EXCHG.80).aspx...
  • Blog Post: Troubleshooting Exchange 2007 Unified Messaging whitepaper

    There is nicely written whitepaper to help you troubleshoot and understand how Exchange 2007 Unified Messaging works. I pasted in a few whitepaper highlights below:   Exchange UM architecture: Shows a nice breakdown of the UM services and worker processes and what they do and how they talk.  ...
  • Blog Post: Addendum to previous post: When an Outside Caller leaves a voicemail, I get ‘A message from an unrecognized number’ in Outlook Voice Access

    In my previous post around this, I mentioned there is an Exchange 2007 Rollup3 needed to resolve this problem but I need to be a bit more clear on that suggestion. The Rollup3 only resolves this behavior when the recipient of the voicemail is in one dial plan and the caller, who is also UM enabled, resides...