Specification of Dual Tone Multi-Frequency (DTMF) Transmitters and Receivers; Part 1: General
NORM herausgegeben am 21.9.2000
Designation standards: ETSI ES 201235-1-V1.1.1
Publication date standards: 21.9.2000
The number of pages: 7
Approximate weight : 21 g (0.05 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI