Proximity-based mobile telephone billing intervention

Telecommunications – Radiotelephone system – Usage measurement

Reexamination Certificate

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Details

C455S456100, C455S456600

Reexamination Certificate

active

06993319

ABSTRACT:
A method, computer program product, and data processing system for allowing a third party to assume a mobile telephone user's airtime and other charges when the mobile telephone user enters a particular geographic area, such as the third party's property is disclosed.

REFERENCES:
patent: 6181927 (2001-01-01), Welling et al.
patent: 6253074 (2001-06-01), Carlsson et al.
patent: 6546238 (2003-04-01), Nightingale et al.
patent: 2002/0176377 (2002-11-01), Hamilton
patent: 2003/0027555 (2003-02-01), Malackowski et al.
patent: 2004/0198380 (2004-10-01), Unmehopa

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