ETSI TS 124 008
ETSI TS 124 008
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Mobile radio interface layer 3 specification, Core Network protocols - Stage 3 (3G TS 24.008 version 3.2.1 Release 1999)
standard published 01/01/2000 by European Telecommunications Standards Institute