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Enhanced wireless home phone for an emergency call service network |
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Using electronic surveillance data as event triggers for lawful location tracking |
— |
2013-10-08 |
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Secure user plane location (SUPL) roaming |
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Local number portability for mobility management |
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System and method of using local number portability (LNP) to redirect terminating calls to a service node |
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2005-07-26 |