SS-I-ETS-300380 › Universal Personal Telecommunication (UPT) - Access devices - Dual Tone Multi Frequency (DTMF) sender for acoustical coupling to the microphone of ahandset telephone

SS-I-ETS-300380 - EDITION 1 - CURRENT


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

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33.020 (Telecommunications in general Including infrastructure)

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Designation Name

SS-I-ETS 300380

Revision Level

EDITION 1

Status

Current

Publication Date

June 30, 1995

Language(s)

English

International Equivalent

I-ETS 300380:1995(IDT)