ETSI TS 123 072
ETSI TS 123 072
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Call Deflection (CD) Supplementary Service; Stage 2 (3GPP TS 23.072 version 3.3.0 Release 1999)
standard published 09/01/2000 by European Telecommunications Standards Institute
