ETSI EN 301 419-1
ETSI EN 301 419-1
Digital cellular telecommunications system (Phase 2) (GSM); Attachment requirements for Global System for Mobile communications (GSM); Part 1: Mobile stations in the GSM 900 and DCS 1 800 bands; Access (GSM 13.01 version 4.1.1)
standard published 04/01/2000 by European Telecommunications Standards Institute