Patent ID: 6628776
Filing Date: 2003-09-30
Classification: H04Q

Abstract:
A system for extending functionality of a remote digital telephone set over a public switched telephone network from a local PBX, comprising:a local peripheral connected to said PBX for (i) bidirectionally communicating combined digital voice and data signals with said PBX, for (ii) separating voice and data components of said signals into respective bidirectional voice channels and signaling channels for bidirectional communication over the public switched telephone network and for (iii) recombining said voice and data components for said bidirectionally communicating said combined digital voice and data signals with said PBX; and a remote peripheral connected to said telephone set for (i) bidirectional communication with said local peripheral over the public switched telephone network via said respective voice channels and signaling channels, for (ii) recombining said voice and data components for bidirectional communication with said telephone set, and for (iii) separating said voice and data components for said bidirectional communication with said local peripheral over the public switched telephone network via said respective voice channels and signaling channels, whereby said remote digital telephone set functions as if it were connected directly to said PBX.