ETSI TS 124 093
ETSI TS 124 093
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Completion of calls to Busy Subscriber (CCBS) - Stage 3 (3G TS 24.093 version 3.0.0 Release 1999)
standard published 01/01/2000 by European Telecommunications Standards Institute
