Integrated voice/data network

Details Integrated voice/data network Integrated voice/data network

1985-08-02

1987-05-12

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 94, 370109, H04J 324, H04J 300

Patent

active

046655140

ABSTRACT:
Circuits at a remote transmission site receive digitized voice and data samples from incoming channels. The voice samples are compressed. The samples are formatted into fixed-size data blocks with signaling and control information for transmission to a switching node. Additional bits of the voice samples are dynamically dropped, if necessary, to fit the data into the fixed-sized blocks. The signaling and control information allows receiving circuits at the switching node to determine the number of bits allocated to each sample. These receiving circuits form packets for individual channels by attaching switch routing packet headers to the individual channel data. Packet receiving circuits on the output side of the switch reformat the received packets into fixed-size nonpacket data blocks for transmission.

REFERENCES:
patent: 4519073 (1985-05-01), Bertocci et al.
patent: 4538263 (1985-08-01), Gabrielli et al.
patent: 4550397 (1985-10-01), Turner et al.
patent: 4561090 (1985-12-01), Turner et al.

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