Method for capturing caller subscription information upon cross-network roaming

Abstract

The invention relates to a method for obtaining calling subscription information during roaming among networks, in which GMSC (Gateway Mobile Services Switching Center) of the home network establishes an expanded 'MAP-RESTORE-DATA-REQ' message by replacing IMSI (International Mobile Subscriber Identification) number in a standard 'MAP-RESTORE-DATA-REQ' message with MSISDN (Mobile Station Integrated Services Digital Network) number of the calling user, and queries the calling subscription from HLR (home location register) of the home network.

Description

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AI Technical Summary

Benefits of technology

The technology described by this patented allows for easy access from different types of devices (home/work) on multiple wireless communication systems without having to pay extra money each time they are connected through another type device like their own phone). This makes them easier than other methods because users only have one way to call with someone else instead of being charged separately every time.

Problems solved by technology

The technical problem addressed by this patented technology relates how people who are on different networks can access their own data without being charged for them when they travel between two operators' networks at home.

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