Page252 of 544 TheTDS/DTR card
553-3011-100 Standard14.00 January 2002
100 940/1340 -13/-12 *
101 940/1480 -13/-12 #
102 700/1630 -13/-12 F0
103 770/1630 -13/-12 F0
104 850/1630 -13/-12 I
105 350/440 -17/-17 √
106 400/450 -17/-17 √
107 1400 -26 √
108 440 -23 √
109 420 -9 √
110 950 -12 √
111 1400 -12 √
112 1800 -12 √
113 940/1630 -12/-10 P
114 700/1210 -12/-10 1
115 700/1340 -12/-10 2
116 700/1480 -12/-10 3
117 770/1210 -12/-10 4
118 770/1340 -12/-10 5
119 770/1480 -12/-10 6
Table 8 6
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (Part3 of 10)
Tone # Frequency (Hz) dB below
overload
Precision
Ringing
Tones
DTMF Digits MF Digits