ETSI TS 122 001

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ETSI TS 122 001 English PDF Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Principles of circuit telecommunication services supported by a Public Land Mobile Network (PLMN) (3GPP TS 22.001 version 4.2.0 Release 4)

standard published 07/01/2001 by European Telecommunications Standards Institute

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Definition of the circuit telecommunication services supported by a PLMN; to provide a method for the characterization and the description of these telecommunication services.