ETSI TS 101 509

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ETSI TS 101 509 English PDF Digital cellular telecommunications system (Phase 2+) (GSM); Lawful interception; Stage 2 (GSM 03.33 version 7.1.0 Release 1998)

standard published 11/01/1999 by European Telecommunications Standards Institute

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This GSM technical specification provides the stage 2 description for a lawful interception function to be implemented in a given GSM PLMN i n order for a network operator to be able to fulfil national lawful re quirements. It shall be noted that national variation may exist but it is not the intention for this specification to encompass all of them.