![](http://pdfasset.owneriq.net/a/99/a9933c8c-a6bf-409f-96ad-2a6a14b125dd/a9933c8c-a6bf-409f-96ad-2a6a14b125dd-bg101.png)
The TDS/DTR card Page 257 of 544
Option 11C and 11C Mini Technical Reference Guide
199 850/1340 -9/-7
200 850/1480 -9/-7
201 940/1340 -9/-7
202 940/1210 -9/-7
203 940/1480 -9/-7
204 700/1630 -9/-7
205 770/1630 -9/-7
206 850/1630 -9/-7
207 420 -10
208 420 -8
209 420 -4
210 1400 -18
211 1400 -9
212 350/420 -9/-9
213 420 -14
214 450 -12
215 450 -22
216 820 -16
217 350/420 -14/-14
218 940/1630 -14/-12
219 700/1210 -14/-12
Table 86
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (Part 8 of 10)
Tone # Frequency (Hz)
dB below
overload
Precision
Ringing
Tones
DTMF Digits MF Digits