Patent ID: 6122255
Filing Date: 2000-09-19
Classification: H04M,H04Q

Abstract:
A communication network system comprising in combination:a switched telephone network having a plurality of central office switching systems and having first and second subscriber stations connected by local links to first and second of said central office switching systems, said central office switching systems switching communication signals in a telephone network first protocol through said telephone network;a separate control network for said switched telephone network, said control network transporting control signals having a second protocol for selectively establishing connection between said central office switching systems;a packet switched data internetwork coupled to said switched telephone network via a server, said first subscriber station connected to said first central office switching system, said server translating a third data signal protocol used in said packet switched data internetwork to and from said telephone network first protocol;a load control processor coupled to said separate control network for said switched telephone network and directing the transport of communication signals between a subscriber station connected to said second central office switching system and said first central office switching system connected to said server, said transport being directed over either said switched telephone network or over said separate control network;wherein said load control processor directs the transport of said communication signals between a subscriber station connected to said second central office switching system and said first central office switching system connected to said server over either said switched telephone network or over said separate control network in response to determination of the load in said switched telephone network.