Meridian Nortel 1 Option 11C Technical Reference Manual page 258

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Table 86
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (Part 9 of 10)
Tone # Frequency (Hz)
220 700/1340
221 700/1480
222 770/1210
223 770/1340
224 770/1480
225 850/1210
226 850/1340
227 850/1480
228 940/1340
229 940/1210
230 940/1480
231 700/1630
232 770/1630
233 850/1630
234 940 X 1630
235 700 X 1210
236 700 X 1340
237 700 X 1480
238 770 X 1210
239 770 X 1340
240 770 X 1480
553-3011-100 Standard 14.00
The TDS/DTR card
dB below
overload
-14/-12
-14/-12
-14/-12
-14/-12
-14/-12
-14/-12
-14/-12
-14/-12
-14/-12
-14/-12
-14/-12
-14/-12
-14/-12
-14/-12
-17/-15
-17/-15
-17/-15
-17/-15
-17/-15
-17/-15
-17/-15
January 2002
Precision
Ringing DTMF Digits
Tones
p
1
2
3
4
5
6
MF Digits