Patent ID: 6072793
Filing Date: 2000-06-06
Classification: H04M,H04Q

Abstract:
An ECMDF, (electronically controlled main distributing frame) comprising:a switching network; anda controller;said switching network comprising switching means for transmitting direct current signals over ones of paths through said switching network;said switching network for connecting subscriber loop means with a local switch;said controller responsive to signals received from said local switch for establishing connections through said switching network;said switching network further for connecting ones of said subscriber loop means to means for communicating with special service providers;said local switch responsive to a request, received over a subscriber loop, for connecting said subscriber loop to a special service provider, for generating signals to said controller for disconnecting said subscriber loop from said local switch and connecting said subscriber loop to said means for communicating with special service providers;said controller, responsive to a disconnect request received over said subscriber loop, for notifying said local switch;said controller, responsive to a signal from said local switch, for disconnecting said subscriber loop from said means for communicating with special service providers and reconnecting said subscriber loop to said local switch;wherein subscribers dialing instructions requesting a connection to a special service provider can be automatically disconnected from said local switch and directly connected to equipment for accessing said special service providers in response to said local switch receiving said dialing instructions.