ETSI TS 122 082
ETSI TS 122 082
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Call Forwarding (CF) supplementary services - Stage 1 (3GPP TS 22.082 version 4.1.0 Release 4)
standard published 07/01/2001 by European Telecommunications Standards Institute