Packet-switched communications network for efficiently...

Details Packet-switched communications network for efficiently... Packet-switched communications network for efficiently...

H - Electricity

04

L

344/28

H04L 12/54 (2006.01) H04L 12/43 (2006.01) H04L 12/64 (2006.01)

Patent

CA 1282483

ABSTRACT OF THE DISCLOSURE In a packet-switched communications network, each of a plurality of node stations is responsive to a request for a circuit-switched call from a source user terminal and transmits a control packet and a message packet in succession to the other node stations. The control packet contains a source address, a destination address, a unique address and a time slot number identifying the time slot in which the circuit-switched call is to be carried. The message packet contains the same unique address as that sent with the preceding control packet and a plurality of time slots identified by the time slot numbers contained in various control packets. On receiving a message packet having the same unique address as that sent with a previous control packet, a destination station extracts an information signal from the message packet using the time slot number contained in the previous control packet and supplies the extracted signal to a user terminal identified by the destination address.

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