Windows Messenger 5.1

Windows Messenger allows real-time communication with other contacts who are using instant messaging (IM) services including those provided by the Session Initiation Protocol (SIP) as offered by Microsoft Office Live Communications Server. Windows Messenger also provides connectivity to the Microsoft .NET Messenger service and is the IM client of choice for businesses in managed environments.

Updates:

• Improvements in file transfer functionality for users with multiple network connections (such as configurations involving both wired and wireless network connections or users of VPN connections).

• Improvements in Tablet PC and laptop support. Specifically, this includes improved support for ink as well as improved performance when using power saving features in portable computers such as standby or hibernation.

• Improvements to presence integration with applications, including better presence integration when applications are in full-screen mode (to avoid unwelcome IM interruptions) and also quicker refresh of presence information in applications such as Microsoft Outlook or Windows SharePoint services.

• Improvements to the sign-in process, enabling a quicker sign in.