Page248 of 544 TheTDS/DTR card
553-3011-100 Standard14.00 January 2002
60 700/1500 -13/-13 7
61 900/1500 -13/-13 8
62 1100/1500 -13/-13 9
63 700/1700 -13/-13 ST3P/RB/
C11
64 900/1700 -13/-13 STP/C12
65 1100/1700 -13/-13 KP/CR/KP1
66 1300/1700 -13/-13 ST2P/KP2
67 1500/1700 -13/-13 ST/CC
68 400 -11 √
69 400 -14 √
70 400 x 50 -14 √
71 (533 + 666) x 20 -23/-23 √
72 reserved
73 350/440 -15/-15 √
74 480/620 -15/-15 √
75 440/480 -15/-15 √
76 400 -25 √
77 400/450 -14/-14 √
78 480/620 -19/-19 √
Table 8 5
NTAK03, NTDK20, and NTDK97 µ-Law tones and cadence (Part4 of 6)
Tone # Frequency
(Hz)
dB below
overload
Precision
Ringing
Tones
DTMF Digits MF Digits