Meridian Nortel 1 Option 11C Technical Reference Manual page 253

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