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ETSI TS 123 081
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ETSI TS 123 081 Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Line Identification supplementary services; Stage 2 (3GPP TS 23.081 version 14.0.0 Release 14)
standard by European Telecommunications Standards Institute, 04/01/2017
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Full Description
ETSI TS 123 081 gives the stage 2 description of the call identification supplementary services.The group line identification supplementary services are divided into the following four supplementary services:Calling line identification presentation CLIP (clause 1);Calling line identification restriction CLIR (clause 2);Connected line identification presentation COLP (clause 3);Connected line identification restriction COLR (clause 4).