Digital cellular telecommunications system (Phase 2+) (GSM); Procedure for call progress indications (GSM 02.40 version 7.0.1 Release 1998)
NORMA vydaná dňa 30.7.1999
Designation standards: ETSI TS 100512-V7.0.1
Publication date standards: 30.7.1999
The number of pages: 11
Approximate weight : 33 g (0.07 lbs)
Country: European technical standard
Kategória: Technické normy ETSI