Inter-switch telecommunications system for interconnecting...

Details Inter-switch telecommunications system for interconnecting... Inter-switch telecommunications system for interconnecting...

2007-02-13

2007-02-13

Pham, Chi (Department: 2616)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S392000, C370S395200, C370S399000, C370S409000

Reexamination Certificate

active

10133958

ABSTRACT:
The inter-switch interconnect system functions to interface a packet switch with a legacy Time Division Multiplexed switch without requiring any changes to the Time Division Multiplexed switch. The inter-switch interconnect system implements a packet-based call connection system that is triggered by the standard CCS7-ISUP signaling protocol, where the packet-capable Time Division Multiplexed switch controls the set-up and tear-down of the packet connections through the Asynchronous Transfer Mode network to the non-packet-capable Time Division Multiplexed switch using the standard CCS7-ISUP signaling protocol for both incoming and outgoing calls. The packet-capable Time Division Multiplexed switch controls call connections both to and from the legacy non-packet-capable Time Division Multiplexed switch.

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