Exchange 2010 SP1 Unified Messaging cannot transfer call to an extension

  There are a number of reasons that may lead to calls not being transferred correctly to extensions homed on gateways – Cisco Call Manager, Audio Codes, OCS\LYNC amongst others, one of them blogged by me here. In this blog I am going to talk about another issue we have seen with our customers.   ISSUE…

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Exchange 2010 SP1 Unified Messaging integration with Nortel CS1000

  With the release of Exchange 2010 SP1 we have seen some issues integrating with Nortel CS 1000. Nortel CS 1000 is currently not part of the Telephony Advisory Program and not certified for Exchange 2010 & 2010 SP1. It is currently supported only when it connects to Exchange UM through one of the supported IP…

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