System and method for historical presence map

摘要

A telecommunications system includes a network ( 202 ); a plurality of client devices ( 212 ) operably coupled to said network, said plurality of client devices adapted to select one or more of others of said plurality as contacts on a contact list ( 404 ); a presence server ( 204 ) coupled to said network and adapted to monitor presence status of selected ones of said others; wherein said presence server ( 204 ) maintains one or more records of past presence data for said selected ones and is configured to provide said one or more records to a requesting one of said plurality