Page250 of 544 TheTDS/DTR card
553-3011-100 Standard14.00 January 2002
Note: Tones #1 - 16 (inclusive) and #234 - 249 (inclusive) are included for Norwegian and Malaysian specifications.
98 TBD
99 TBD
100 TBD
101 600 -19 √
102 800 -19 √
103 1400 -23 √
104 820 -7
Table 8 6
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences (Part1 of 10)
Tone # Frequency (Hz) dB below
overload
Precision
Ringing
Tones
DTMF Digits MF Digits
1940 X 1630 -14/-13 P
2700 X 1210 -14/-13 1
3700 X 1340 -14/-13 2
4700 X 1480 -14/-13 3
5770 X 1210 -14/-13 4
6770 X 1340 -14/-13 5
7770 X 1480 -14/-13 6
Table 8 5
NTAK03, NTDK20, and NTDK97 µ-Law tones and cadence (Part6 of 6)
Tone # Frequency
(Hz)
dB below
overload
Precision
Ringing
Tones
DTMF Digits MF Digits