ETSI I-ETS 300380-ed.1

Universal Personal Telecommunication (UPT); Access devices Dual Tone Multi Frequency (DTMF) sender for acoustical coupling to the microphone of a handset telephone

STANDARD published on 15.3.1995

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The information about the standard:

Designation standards: ETSI I-ETS 300380-ed.1
Publication date standards: 15.3.1995
The number of pages: 13
Approximate weight : 39 g (0.09 lbs)
Country: European technical standard
Category: Technical standards ETSI