ETSI TS 122 003

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ETSI TS 122 003 English PDF Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Circuit Teleservices supported by a Public Land Mobile Network (PLMN) (3G TS 22.003 version 3.1.0 Release 1999)

standard published 01/01/2000 by European Telecommunications Standards Institute

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Describe and define a recommended set of Circuit Teleservices to be supported by a PLMN in connection with other networks as a basis for defining the network capabilities required.