IBM Lotus Sametime is an enterprise instant messaging and web conferencing application sold by the Lotus Software division of IBM. Lotus Sametime provides enterprise instant messaging functionality, presence information, and web conferencing. It offers support for communications standards and standard protocols, including Session Initiation Protocol (SIP), SIMPLE, T.120, XMPP, and H.323. Lotus Sametime also integrates with Lotus Notes and Microsoft Office. The consulting company Frost & Sullivan named IBM Lotus Sametime as the 2008 North American Enterprise Product of the Year.
