AFNOR - XP 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.
active, Most Current
| Organization: | AFNOR |
| Publication Date: | 1 April 1998 |
| Status: | active |
| Page Count: | 12 |
| ICS Code (Telephone networks): | 33.040.35 |
| ICS Code (Telephone equipment): | 33.050.10 |
Document History
XP I-ETS 300380
April 1, 1998
Universal Personal Telecommunication (UPT). Access devices. Dual Tone Multi Frequency (DTMF) sender for acoustical coupling to the microphone of a handset telephone.
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