Telephony device for a telephony communications network with fix

Details Telephony device for a telephony communications network with fix Telephony device for a telephony communications network with fix

1992-10-22

1994-12-20

Chin, Wellington

Multiplex communications

Wide area network

Packet switching

379 58, 455 541, H04B 726, H04J 316, H04L 1266

Patent

active

053751221

ABSTRACT:
A fixed station (BFR1) is able to interact with a plurality of independent stations (SA1, . . . , SA4) and is linked to an external management unit (UGRB1) only by the intermediary of a single pair of telephony wires (LT). This management unit (UGRB1) then incorporates the management and monitoring means for the telephony communications, and is linked to the switched telephone network (CTPU) as well as to digital channels (CNPU). Communication between the independent stations (SA1, . . . , SA4) and the fixed terminal (DFR1) is carried out by the intermediary of a plurality of elementary voice channels and of elementary signaling channels while the transmission line (LT) is capable of transporting a voice line channel and a signaling line channel according to a predetermined bidirectional time framing. The terminal and its management unit are then suitable for carrying out multiplexing/demultiplexing between these various channels.

REFERENCES:
patent: 4785450 (1988-11-01), Bolgiano et al.
patent: 4827499 (1989-05-01), Warty et al.
patent: 4829554 (1989-05-01), Barnes et al.
patent: 5036531 (1991-07-01), Spear
patent: 5040177 (1991-08-01), Martin et al.
patent: 5157709 (1992-10-01), Ohteru
patent: 5177780 (1993-01-01), Kasper et al.

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