- User A uses a Microsoft Office Communicator 2007 R2 client to log on to a Lync Server 2010 environment.
- The Public Instant Messaging (IM) Connectivity (PIC) feature is enabled in the Lync Server 2010 environment.
- User B is using a public IM client, such as Windows Live Messenger, AOL, or Yahoo. User B types in the Session Initiation Protocol (SIP) Uniform Resource Identifier (URI) of user A.
For more information about how to enable the federation and PIC features and how to configure the routing of the inbound and outbound SIP, visit the following Microsoft website:
For more information about the SIP URIs, visit the following Microsoft website:
Article ID: 2577957 - Last Review: Aug 17, 2011 - Revision: 1