Excalibur Partners, LLC | IT Consulting

This article assumes that you have an Exchange UM server already configured. The directions cover the use of a module I created for FreePBX 2.11 and assume FreePBX is in device and user mode. The module removes the need to override macro-vm, which allows you to use Exchange UM for some users and FreePBX voicemail for others.

NOTE: Support for the MWI (message waiting indicator) and play on phone requires patching and compiling Asterisk from source. The patches were created against Certified Asterisk 11.2-cert2. Read more…

In Asterisk 1.6, FreePBX, and Exchange UM I mentioned how to setup an extension to transfer a caller to voicemail. Let’s take this one step further and add a soft key on the Polycom. Instead of having to dial ##407ext, you will be able to press the Xfer VM button and it will prompt for the extension. Read more…

Setting up Asterisk 1.6.1 and FreePBX 2.5 or 2.6 to work with Exchange 2007 UM is easier than Asterisk 1.4 thanks to Asterisk 1.6 including support for SIP over TCP. However only Asterisk 1.6.1.4 and lower work without modification. Read more…