Microsoft Lync Server 2010 communications software allows users to connect to each other remotely. This chapter describes the most common remote access scenarios, and then provides detailed call flow diagrams, traces, and related ms-diagnostics codes. Overviews of the basic scenarios are provided, giving context for how users make various connections. You can download this and other Microsoft Lync Server 2010 Resource Kit chapters from the Download Center.

 

 

Authors: Randy Wintle, Dustin Hannifin

Publication date: August 2011

Product version: Lync Server 2010, Lync 2010

The upcoming Microsoft Lync Server 2010 Resource Kit book will provide in-depth technical content about Lync Server 2010. The book will focus on professionals who want to understand more about how the product works internally. You can download this and other Microsoft Lync Server 2010 Resource Kit chapters from the Download Center.

Internals (technical details of remote user access capabilities) are discussed in depth in this chapter and figure prominently in the scenarios. An introduction to the Interactive Connectivity Establishment (ICE) protocol, Simple Traversal Underneath NAT (STUN), and Traversal Using Relay NAT (TURN) implementations in Lync Server are provided.

Lync Server 2010 allows users to access instant messaging (IM) and presence remotely by using the Lync Server Access Edge service. The scenarios in this chapter describe remote IM and presence in remote user access, federation, and public IM connectivity.

Summary

The most common call flow scenarios that involve remote user access are described in detail and as follows:

  • Instant Messaging: peer-to-peer, internal user to federated partner, and internal user to PIC user.
  • Conferencing: application sharing conference (desktop sharing), and audio and video Conferencing.
  • Enterprise Voice: peer-to-peer audio, involving two remote participants; peer-to-peer audio, involving a federated partner; and a PSTN gateway audio call, involving a remote user.

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Keywords: Presence, IM, instant messages, Enterprise Voice, peer to peer, conferencing, PSTN, gateway, remote access, federated, user, partner,