ETSI TS 100 601
ETSI TS 100 601
Digital cellular telecommunications system (Phase 2+) (GSM); Interworking between the Public Land Mobile Network (PLMN) and the Circuit Switched Public Data Network (CSPDN) (GSM 09.04 version 6.0.0 Release 1997)
standard published 04/01/1999 by European Telecommunications Standards Institute
