Digital cellular telecommunications system (Phase 2+) (GSM); User-to-User Signalling (UUS); Service description, Stage 1 (GSM 02.87 version 7.1.2 Release 98)
NORM herausgegeben am 16.12.1999
Designation standards: ETSI EN 301702-V7.1.2
Publication date standards: 16.12.1999
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI