Microsoft Office Live Communications Server 2005: Hub for Unified Communications

Microsoft Office Live Communications Server 2005: Hub for Unified Communications: "... Microsoft is collaborating with telephony companies to enable further integration between business desktop phones and the rich collaboration environment on the PC, allowing customers to more effectively communicate in real time. Microsoft is working with Alcatel, Avaya, Cisco, Mitel, NEC, Nortel and Siemens to enable Session Initiation Protocol (SIP)-based interoperability between voice communications solutions and Microsoft Office Communicator 2005 and Microsoft Office Communicator Mobile, the PC and mobile phone unified communications clients for Live Communications Server. The solutions will enable business customers to launch and answer private branch exchange (PBX) and Internet protocol-PBX (IP-PBX) phone calls and view phone presence state from within Office Communicator. They also allow customers to seamlessly switch between instant messaging and voice sessions."