1999ETSI ETS 300 927-1999 Digital Cellular Telecommunications System (Phase 2+); Numbering, Addressing and Identification Third Edition; GSM 03.03 Version 5.2.1 Release 1996
1998ETSI ETS 300 927-1998 Digital Cellular Telecommunications System (Phase 2+); Numbering, Addressing and Identification Second Edition; GSM 03.03 Version 5.1.1
1997ETSI ETS 300 927-1997 Digital Cellular Telecommunications System (Phase 2+); Numbering, Addressing and Identification GSM 03.03 Version 5.0.2