Method and apparatus for rerouting terminations for CALEA...

Details Method and apparatus for rerouting terminations for CALEA... Method and apparatus for rerouting terminations for CALEA...

2006-01-31

2008-10-28

Gelin, Jean A (Department: 2617)

Telecommunications

Radiotelephone system

Emergency or alarm communication

C455S445000, C455S414100, C455S404100

Reexamination Certificate

active

07444131

ABSTRACT:
A system and method is provided for surveilling call terminations to a roaming mobile in a wireless telecommunications network in which Location Request Queries (LRQs) for the target mobile can be sent from any MSC in the network. The system and method include forcing the path of the target mobile's call terminations through a predetermined Target Intercept Access Point (TIAP) for surveillance while meeting CALEA constraints including the requirement that information about surveillance may not be shared over public interfaces.

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