Line selection method and line selection system for private...

Details Line selection method and line selection system for private... Line selection method and line selection system for private...

2011-07-19

2011-07-19

Al Aubaidi, Rasha S (Department: 2614)

Telephonic communications

Call or terminal access alarm or control

At switching center

C379S220010

Reexamination Certificate

active

07983405

ABSTRACT:
External lines22connected to a LAN30to establish pseudo private lines and having individual line numbers (for example,5and3) are preliminarily assigned with the same identifier (for example, ID2). A sender PABX10transmits a call to a receiver PABX10T and sends call information including ID2of the line having the line number5. The receiver PABX10T acquires ID2from the call information, selects the line having the line number3and assigned with ID2, and uses the line for communication. Between the two PABXs10and10T, a combination of the lines having the line numbers5and3corresponding to ID2can be fixedly used as the pseudo private line.

REFERENCES:
patent: 6134316 (2000-10-01), Kallioniemi et al.
patent: 5-153234 (1993-06-01), None
patent: 7-107162 (1995-04-01), None
patent: 11-191811 (1999-07-01), None
patent: 2004-312440 (2004-11-01), None

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