Figure 14 Dtmf Key Pad; Table 8 Dtmf Data - Digital Voice Systems Net-2000 User Manual

Net-2000™ Voice Codec Unit
User's Manual
The frequencies for the DTMF tones are shown in Table 8 DTMF Data

Table 8 DTMF Data

*Note: Dial, ring, and busy tones are standard North American call progress tones.

Figure 14 DTMF Key Pad

Send Button
The Send button send the digits entered in the DTMF digit window out to the select device (encoder
or decoder)
Clear Button
The Clear button allows the operator to delete all the digits entered in the DTMF digit window.
DVSI Confidential Proprietary
DTMF
Digit
Frequency 1 (Hz)
1336
0
1209
1
2 1336
3 1477
4 1209
5 1336
6 1477
1209
7
1336
8
1477
9
1633
A
B 1633
C 1633
D 1633
* 1209
# 1477
Section 3 – Net-2000™ VCU Control
DTMF
Frequency 2 (Hz)
941
697
697
697
770
770
770
852
852
852
697
770
852
941
941
941
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