Nortel Circuit Card Installation Manual page 900

Page 900 of 906
Table 279
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (Part 9 of 9)
Tone # Frequency (Hz)
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
241 850 X 1210
553-3001-211 Standard 3.00
The TDS/DTR card
dB below
overload
-14/-12
-14/-12
-14/-12
-14/-12
-17/-15
-17/-15
-17/-15
-17/-15
-17/-15
-17/-15
-17/-15
-17/-15
August 2005
Precision
Ringing DTMF
Tones Digits
p
1
2
3
4
5
6
7
MF Digits