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Media:
Communicator 2007 <-SRTP-> OCS <-SRTP-> OCS med serv <------------RTP----------> Asterisk <-> PSTN

This recipe needs one bug to be resolved concerning RTP flowing from Asterisk to the Mediation server. Solution coming soon.

Prerequisites

• Linux machine with Asterisk, a number plan and PSTN connectivity
• Linux machine with OpenSER 1.2.1 or higher http://www.openser.org/mos/view/Download/
• Microsoft Office Communications Server 2007 core installation
• Windows 2003 machine to install OCS Mediation Server 

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