ETSI TS 122 002
ETSI TS 122 002
Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Circuit Bearer Services (BS) supported by a Public Land Mobile Network (PLMN) (3GPP TS 22.002 version 4.2.0 Release 4)
standard published 07/01/2001 by European Telecommunications Standards Institute
