Owner's manual

Features 1005
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
165 330 -11
÷
166
330/440 -11/-14
÷
167 1700 -19
÷
168 440 -14
÷
169 380 -8
÷
170 1400 -32
÷
171 820
-7
P
172 850 -8 1
173 420 -32 2
174* reserved
3
175 420 -6 4
176 420 -2
5
177 1020 -13 6
178 1800 -17
7
179 1400 -23 8
180 950 -29 9
181 1400 -29 0
182 1800 -29
*
183 950 -22
#
184 470 0
F0
185 940 0
F
186 1880 0
I
187 400 -22
188
420 X 25
-17
189 950 -16
190 950 -25
191
940/1630 -9/-7
192
700/1210 -9/-7
193
700/1340 -9/-7
194
700/1480 -9/-7
195
770/1210 -9/-7
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 02.06 Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.