Optimized routing of a call to a roaming subscriber

Details Optimized routing of a call to a roaming subscriber Optimized routing of a call to a roaming subscriber

2005-11-22

2005-11-22

Cumming, William D. (Department: 2683)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

Reexamination Certificate

active

06968193

ABSTRACT:
System for mobile telecommunication, comprising a first mobile network (KTm), connected to a first nonmobile network (KTv) having routing means (X). Terminals connected to the nonmobile network may set up a connection with mobile terminals having the first or a second mobile network as their home network. A mirror register (MLR), connected to the routing means in the nonmobile network, is used to record a copy of the user profile transferred by the HLR register of the home network of a roaming mobile terminal to the VLR register of the non-home network. The user profile stored in the mirror register in this manner is then used—together with the VLR—to directly drive the routing means X of the nonmobile network KTv, as a result of which the routing path is considerably shortened.

REFERENCES:
patent: 6006094 (1999-12-01), Lee
patent: 0 605 120 (1994-07-01), None
patent: WO98/11754 (1998-03-01), None
Yung-Jan Cho et al, “Reducing the Network Cost of Call Delivery to GSM Roamers”, IEEE Network, vol. 11, No. 5, Sep.-Oct. 1997, pps. 19-25.

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