DIN V I-ETS 300380
Universal Personal Telecommunication (UPT) - Access devices - Dual Tone Multi Frequency (DTMF) sender for acoustical coupling to the microphone of a handset telephone; English version I-ETS 300380:1995
inactive, Most Current
| Organization: | DIN |
| Publication Date: | 1 October 1995 |
| Status: | inactive |
| Page Count: | 15 |
| ICS Code (Telephone equipment): | 33.050.10 |
Document History
DIN V I-ETS 300380
October 1, 1995
Universal Personal Telecommunication (UPT) - Access devices - Dual Tone Multi Frequency (DTMF) sender for acoustical coupling to the microphone of a handset telephone; English version I-ETS 300380:1995
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