Multiplex communications – Wide area network – Packet switching
Patent
1985-05-03
1987-04-07
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
379 94, 379 96, H04M 360
Patent
active
046566236
ABSTRACT:
An operator or agent position, for use by a telephone assistance operator or an agent of a business, communicates with the circuit and packet switching network of a telecommunication switching system using an Integrated Services Digital Network (ISDN) B-channel and D-channel. The switching network is connected to customers, positions, data communication paths to data bases, and a data path to a control processor of the system. The B-channel is connected through a circuit switching network to a customer. The D-channel is connected through a packet switching network to the control processor and to data bases. Advantageously, the positions can be located remotely from the switching network because only a single integrated facility is required to transmit the integrated voice and data signal between a position and the network. Advantageously, a variety of data bases can be rapidly and efficiently accessed by a position.
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Dalby, Jr. John C.
Ward Charles E. W.
American Telephone and Telegraph Company
Kuntz Curtis
Olms Douglas W.
Ulrich Werner
Visserman Peter
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