Users unable to join Lync hosted conferences from Cisco Unified Communications Manager 8.5

In the past couple of months we have seen increase in DTMF issue relating to Cisco Call Manager v8.5 connecting to Lync Server 2010 (Lync). I worked on a few of these issues giving me an opportunity to dive deep into this integration. Cisco Unified Communication Manager (CUCM) v8.5 is supported with Lync Server 2010…

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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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