System and method for determining when a CSCF should act...

Details System and method for determining when a CSCF should act... System and method for determining when a CSCF should act...

2000-07-26

2009-10-13

Nguyen, Lee (Department: 2618)

Multiplex communications

Communication over free space

Combining or distributing information via time channels

C370S354000, C370S401000, C455S456500

Reexamination Certificate

active

07602762

ABSTRACT:
The invention proposes a network system comprising a first network element (2) and at least a second network element (3), the second network element being adapted to operate in at least two different modes, wherein the first network element (2) is adapted to send a message to the second network element, and the second network element (3) is adapted to set the mode in response to information included in the message and indicating whether a particular procedure is to be performed and/or has been performed. Thus, the second network element sets its mode dependent on whether a procedure like processing of a location request has to be performed or has not to be performed, or, whether a procedure has been performed or not. The network elements can be Call State Control Functions (CSCF).

REFERENCES:
patent: 5109220 (1992-04-01), Breeden et al.
patent: 5111451 (1992-05-01), Piasecki et al.
patent: 5612950 (1997-03-01), Young
patent: 9952306 (1999-10-01), None
Antonella Napolitano, et al., “UMTS all-IP Mobility Management, Call and session control Procedures”, Mar. 24, 2000, pp. 1-24.
Jonne Soininen, “GPRS/UMTS” IAB Workshop, Feb. 29, 2000, pp. 1-34.

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