Lync Express with PSTN Trunking


Lync Express 2.0 can be configured to place calls destined to the PSTN through the install PSTN Gateway. Please consult the diagram below to understand the interconnections of Lync Express 2.0.

Stand-Alone Lync with PSTN V2-0.png

In this scenario, it is important to note the roles required for the successful operation of Lync Express:

  • Active Directory Domain Controller
  • Lync Mediation Server with Front End Pool
  • VoIP Gateway through Netborder Express Gateway
  • Lync Edge Server
  • Reverse Proxy Server through IIS ARR