In one example, a communications system and platform communications platform: provides data communications services, over at least one of the plurality of communication networks, involving a plurality of different or disparate communications systems respectively associated with a plurality of respectively different formats to a plurality of communication user-operable devices each of which has a user interface for communicating information; conveys the data communications services via a browser and to establish an electronic meeting between multiple individuals, the electronic meeting providing access to a plurality of different types of content, or of different format types; and generates, in response to the electronic meeting being established, a status message that is associated with the electronic meeting, that provides an update message to at least a subset of the plurality of communications systems, and that provides information regarding possible availability of an individual for participating in the electronic meeting.