Patent ID: 7020258
Filing Date: 2006-03-28
Classification: H04M

Abstract:
1. An expandable dialing controller, said expandable dialing controller being operably connectable to an outside subscriber service and to at least one operator device so that individual telephone calls can be originated on said outside subscriber service and connected to one of said operator devices, said expandable dialing controller comprising: a capacity expansion interface which is operably connectable to at least one additional dialing controller; and a database interface by which said expandable dialing controller can access a central database containing telephone dialing coordinates for telephone calls to be originated by said expandable dialing controller; wherein said expandable dialing controller can originate telephone calls to telephone dialing coordinates stored within the central database; and wherein upon connection of said expandable dialing controller to said at least one additional dialing controller via said capacity expansion interface, the expandable dialing controller and additional dialing controllers together comprising a group of dialing controllers, all of the dialing controllers in the group of dialing controllers will share access to the central database.