As one of the Subject Matter Experts (SMEs) for the Microsoft Exchange Unified Messaging product within Microsoft CSS, I am often asked how to provide PSTN connectivity to both Office Communications Server 2007 and to Exchange UM.  Microsoft...

As a Senior Support Escalation Engineer with the Unified Communications team at Microsoft, I help a lot of customers install Microsoft Unified Communications products in either their production or lab environment.  I often find that for many smaller...

I recently stumbled on a free offering for a DID SIP Trunk (inbound calls only) from a company called IP Communications.  Having already added a magicJack device to my Unified Communications lab for routing both inbound and outbound calls, an additional...

Introduction This guide describes how to configure interoperability between Microsoft Exchange Server 2010 Unified Messaging and pbxnsip IP PBX version 3.0 .   pbxnsip is an IP PBX solution for Windows that supports SIP communication over either...

New blog... first post. Unfortunately I don't have anything ground breaking or earth shattering to share. Oh wait, there's this, at least... This morning when I arrived at work, I found that my main Hyper-V server had been restarted due to the installation...