Nortel Circuit Card Installation Manual page 898

Page 898 of 906
Table 279
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (Part 7 of 9)
Tone # Frequency (Hz)
188 420 X 25
189
190
191 940/1630
192 700/1210
193 700/1340
194 700/1480
195 770/1210
196 770/1340
197 770/1480
198 850/1210
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
553-3001-211 Standard 3.00
The TDS/DTR card
dB below
overload
950
950
420
420
August 2005
Precision
Ringing
Tones
-17
-16
-25
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-9/-7
-10
-8
DTMF
Digits MF Digits