Microsoft Lync 2010
Microsoft Lync 2010 (formerly Microsoft Office Communicator) is a communications software which offers many features to enhance collaboration and communication in your organization. Microsoft Lync 2010 is the client software for Lync Server.
Instant messaging (IM) suppots networks such as Live, Yahoo!, and AOL. IM Conferencing, and Support for remote users. As with all Microsoft software, it is user friendly and easy to use.
Lync Server 2010 is available only in a 64-bit edition, which requires 64-bit hardware and a 64-bit edition of Windows Server.Enterprise Edition of the software costs $3,999.