ETSI EN 301 419-2
ETSI EN 301 419-2
Digital cellular telecommunications system (Phase 2+); Attachment requirements for Global System for Mobile communications (GSM); High Speed Circuit Switched Data (HSCSD) Multislot Mobile Stations; Access (GSM 13.34 version 5.1.1 Release 1996)
standard published 04/01/2000 by European Telecommunications Standards Institute