Meridian Nortel 1 Option 11C Technical Reference Manual page 257

Table 86
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (Part 8 of 10)
Tone # Frequency (Hz)
199 850/1340
200 850/1480
201 940/1340
202 940/1210
203 940/1480
204 700/1630
205 770/1630
206 850/1630
207
208
209
210 1400
211 1400
212 350/420
213
214
215
216
217 350/420
218 940/1630
219 700/1210
dB below
overload
420
420
420
420
450
450
820
-14/-14
-14/-12
-14/-12
The TDS/DTR card
Precision
Ringing
Tones
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-10
-8
-4
-18
-9
-9/-9
-14
-12
-22
-16
Option 11C and 11C Mini
Page 257 of 544
DTMF Digits MF Digits
Technical Reference Guide