Microsoft® Office Communications Server 2007 Resource Kit

Examining the Technical Details Behind the Public IM Connectivity Scenario

To understand network message flow in the Public IM Connectivity scenario, let's look at two scenarios and the accompanying illustrations of the resulting message flows.

Scenario One: Adding a Contact in Office Communicator 2007

In this scenario, the user enters an account name for a recipient she wants to send instant messages to, performs a search, and adds the recipient account name as a contact. We'll examine seven steps in this process, and these steps are numerically keyed to Figure 8-10. Where possible, each step is illustrated using a corresponding sample SIP message. The illustrative SIP output following the steps is what an admin might see using logging to trace ...