Patent ID: 7848761

Claim:
A telecommunications system, comprising: a plurality of network clients including a positioning controller and a communications controller; a positioning server including a coordinating controller for maintaining a database of network clients to be tracked and provide updates of position-related information of a user to a presence server, the presence server defining one or more associated location/presence correlation pairs defining a geographical area including a user-defined boundary around one or more locations and corresponding presence status; wherein a presence status of the user is maintained if the network client is within the borders of the geographical area; a mapping engine for defining the geographical area; wherein said plurality of network clients are configured to transmit position information received via said positioning controller to said positioning server via said communications controller, said communications controller comprising a telephony controller; wherein the location/presence correlation pairs further include availability status indicia over a plurality of media associated with the user; and a first timer for providing a timer tick for confirming functionality of the network clients and a second timer for providing one or more hysteresis indications to prevent speed and boundary toggling.