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ETSI TS 123 081
M00000830
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ETSI TS 123 081 Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Line Identification supplementary services; Stage 2 (3GPP TS 23.081 version 16.0.0 Release 16)
standard by European Telecommunications Standards Institute, 07/01/2020
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