ETSI TS 123 066
ETSI TS 123 066
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Support of Mobile Number Portability (MNP); Technical Realisation; Stage 2 (3GPP TS 23.066 version 4.0.0 Release 4)
standard published 03/01/2001 by European Telecommunications Standards Institute
