The TDS/DTR card Page 253 of 544
Option 11C and 11C Mini Technical Reference Guide
120 850/1210 -12/-10 7
121 850/1340 -12/-10 8
122 850/1480 -12/-10 9
123 940/1340 -12/-10 0
124 940/1210 -12/-10 *
125 940/1480 -12/-10 #
126 700/1630 -12/-10 F0
127 770/1630 -12/-10 F
128 850/1630 -12/-10 I
129 350/440 -22/-22
√
130 400 -19
√
131 400 -25
√
132 400/450 -22/-22
√
133 1400 -15
√
134 950 -19
√
135 1400 -20
√
136 1800 -20
√
137 420 -19
√
138 940/1630 -18/-17 P
139 700/1210 -18/-17 1
Table 86
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (Part 4 of 10)
Tone # Frequency (Hz)
dB below
overload
Precision
Ringing
Tones
DTMF Digits MF Digits