How to setup a software PBX to test the PSTN features of Lync Server

Written by Joe Lefort, Senior Microsoft Premier Field Engineer. In my last article, Why You Need To Understand NAT When Setting Up Lync or OCS,  I talked a fair bit about the edge and NAT. I thought this article would be all about the STUN and TURN mechanisms mentioned in that post, but other shinier…


Why You Need To Understand NAT When Setting Up Lync or OCS

Written by Joe Lefort, Senior Microsoft Premier Field Engineer. Microsoft Lync and OCS are fairly easy to set up if all you want to do is have internal IM/presence and conferencing. The moment you decide to open your SIP domain up to the outside world, things take a change for the complex.  Why you might…