Page256 of 544 TheTDS/DTR card
553-3011-100 Standard14.00 January 2002
178 1800 -17 7
179 1400 -23 8
180 950 -29 9
181 1400 -29 0
182 1800 -29 *
183 950 -22 #
184 470 0F0
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
196 770/1340 -9/-7
197 770/1480 -9/-7
198 850/1210 -9/-7
Table 8 6
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (Part7 of 10)
Tone # Frequency (Hz) dB below
overload
Precision
Ringing
Tones
DTMF Digits MF Digits