Specifications
Table 6-f 6. DTMF frequencies
Digit
Frequency (Hz)
1
697 + 1209
2
697 + 1336
) 697 + 1477
4
770 + 1209
5
770 + 1336
6
770 + 1477
7
1
852 + 1209
8
852 + 1336
9
852 + 1477
I
(
941+ 1209
to
1 941+1336
1
#
j 941+1477
Issued 3/l /95
DBS 824-l O-300
6-l 3
