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Open source PBX vs. conventional PBX
My recent how-to article on Trixbox with Exchange UM integration has generated quite a large amount of interest and from what it seems a large part of the IT community is looking/interested in Unified Messaging (this is suggested by keyword searches from...
Part 1 - How to integrate Exchange 2010 (or 2007) with Trixbox 2.8

I previously mentioned that integrating OCS 2007 R2 was now possible given that Asterisk 1.6 now supports TCP SIP trunking. I also found myself in a position where I wanted to start testing Exchange 2010 UM without touching my production PBX (which in this case is a Nortel CS1000).

After scouring the blogosphere I found some examples of partial Exchange 2007 UM implementations (some with sipX proxies) and others with subscriber access only.

I decided that I would attempt to undertake the following tasks:

·         A full and directly attached Exchange 2010 integration with Trixbox 2.8 – 100% complete

·         PSTN breakout with an analogue terminal adaptor – 0% complete

·         Finally an OCS 2007 R2 integration with Trixbox 2.8 – 0% complete

In addition I wanted to make a straight forward guide that any Exchange administrator could follow.

Now before I start part one of three (fingers crossed I get to complete the others!) I want to give credit to:

·         Ryan Newington – your blog helped me get on my way to voicemail forwarding

·         Claude Tambu – also a great source of information

So firstly let me go into the goal in more detail, using Hyper-V R2 (built into Windows Server 2008 R2), I will be running Exchange 2010 UM and Trixbox 2.8 – illustrated below.

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Running OCS 2007 R2 with a soft PBX aka Aterisk 1.6
Most IT pros will not be in possession of an OCS/UC capable PBX from the day they decide to look into evangelising their businesses comms infrastructure. But now that OCS 2007 R2 supports UDP based SIP trunks and third parties like JAHJAH offer off-site...