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Method and system for providing credit for participation in an ad hoc network |
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Method and system for switching a mobile device in a mobile network |
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Roaming services using home location register |
Peter J. Armbruster, Bradley Schaefer |
2008-01-22 |
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User controlled home location register |
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Apparatus and method for implementing text based compression using cache and blank approach |
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Exchange which controls M SIMs and N transceivers and method therefor |
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