Alternative network selection for a communication device

Details Alternative network selection for a communication device Alternative network selection for a communication device

2006-11-14

2006-11-14

Ferguson, Keith (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S421000, C455S426200, C455S435100, C455S552100, C455S550100, C455S422100, C455S435200

Reexamination Certificate

active

07136641

ABSTRACT:
Methods (200) and apparatus (700) for providing an access to a first communication network (102) through a second communication network (106) by a communication device (108) are disclosed. The communication device (108) having a first identification and supporting a cellular core network signaling protocol of the first communication network (102), upon entering the second communication network, is assigned a second identification by the second communication network (106). The communication device (108) communicates with the first communication network (102) through an alternative network controller (104) utilizing the second communication network (106). Method (500) for providing an access to a preferred communication network out of a plurality of communication networks based upon a predetermined condition is also provided.

REFERENCES:
patent: 2002/0191575 (2002-12-01), Kalavade et al.
patent: 2006/0013157 (2006-01-01), Annic
patent: 2006/0018283 (2006-01-01), Lewis et al.
patent: WO 01/67684 (2001-09-01), None
“3rdGeneration Partnership Project; Technical Specification Group GSM/EDGE Radio Access Network; Radio subsystem link control (Release 4)”, 3GPP TS 45.008 V4.13.0 (Nov. 2003) Technical Specification, 101 pages.
3rdGeneration Partnership Project; Technical Specification Group Core Network; Mobile radio interface Layer 3 specification; Core network protocols; Stage 3 (Release 4), 459 pages.

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