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 (3G TS 23.066 version 3.1.0 Release 1999)
standard published 01/01/2000 by European Telecommunications Standards Institute
