H - Electricity – 04 – L
Patent
H - Electricity
04
L
344/29
H04L 29/06 (2006.01) H04L 12/64 (2006.01)
Patent
CA 1268845
- 27 - AN INTERFACE CIRCUIT FOR INTERCONNECTING CIRCUIT SWITCHED AND PACKET SWITCHED SYSTEMS Abstract An interface circuit is described for interconnecting a packet switched system to a circuit switched system which enables a uniform dialing plan to be utilized to establish intra-system or inter-system connections. This is accomplished by assigning each terminal of the packet switched system a unique terminal address similar to the extension number used for terminals of the circuit switched system. The interface also distinguishes data call set-up requests from other control commands received from the packet switched system.
530602
Isreal Charles M.
Jones David Curtiss Jr.
Yang Cheng-Jen
Zally George Daniel
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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