Owner's manual

1004 The TDS/DTR card
Table 421
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (cont’d.)
Tone # Frequency (Hz)
dB below
overload
Precision
Ringing
Tones
DTMF
Digits MF Digits
134 950 -19
÷
135 1400 -20
÷
136 1800 -20
÷
137 420 -19
÷
138
940/1630 -18/-17 P
139
700/1210 -18/-17
1
140
700/1340 -18/-17
2
141
700/1480 -18/-17
3
142
770/1210 -18/-17
4
143
770/1340 -18/-17
5
144
770/1480 -18/-17
6
145
850/1210 -18/-17
7
146
850/1340 -18/-17
÷
8
147
850/1480 -18/-17
÷
9
148
940/1340 -18/-17
÷
0
149
940/1210 -18/-17
÷
*
150
940/1480 -18/-17
÷#
151
700/1630 -18/-17 F0
152
770/1630 -18/-17 F
153
850/1630 -18/-17 I
154* (533 + 666) X 10
-23
÷
155* (533 + 666) X 20
-23
÷
156 400 -12
÷
157 820 -14
÷
158 420 -12
÷
159 420 -25
÷
160
420 X 25
-12
÷
161* (553 + 666) X 10
-23
÷
162* (553 + 666) X 20
-23
÷
163 420 -22
÷
164 480 -22
÷
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.