TheTDS/DTR card Page259 of 544
Option11C and 11C Mini TechnicalReference Guide
241 850 X 1210 -17/-15 7
Table 8 6
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (Part10 of 10)
Tone # Frequency (Hz) dB below
overload
Precision
Ringing
Tones
DTMF Digits MF Digits