Digital cellular telecommunications system (Phase 2+) (GSM); Network functions (GSM 03.01 version 6.1.0 Release 1997)
STANDARD published on 26.5.1999
Designation standards: ETSI TS 100521-V6.1.0
Publication date standards: 26.5.1999
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: European technical standard
Category: Technical standards ETSI