Digital cellular telecommunications system (Phase 2+) (GSM); Support of Dual Tone Multi-Frequency signalling (DTMF) via the GSM system (GSM 03.14 version 7.0.1 Release 1998)
STANDARD published on 30.7.1999
Designation standards: ETSI TS 100532-V7.0.1
Publication date standards: 30.7.1999
The number of pages: 10
Approximate weight : 30 g (0.07 lbs)
Country: European technical standard
Category: Technical standards ETSI