Features 1121
Tone # Frequency
(Hz) dB below
overload
Precision
Ringing
Tones DTMF
Digits MF Digits
83* reserved
84 350/440 -17/-17 ÷
85 400/450 -17/-17 ÷
86 400 -17 ÷
87 1400 -26 ÷
88 950 -12 ÷
89 1400 -12 ÷
90 1800 -12 ÷
91 470 0 ÷
92 940 0 ÷
93 1300 0 ÷
94 1500 0 ÷
95 1880 0 ÷
96 350/440 -10/-10
97* TBD
98* TBD
99* TBD
100* TBD
101 600 -19 ÷
102 800 -19 ÷
103 1400 -23 ÷
104 820 -7
Note: Tones#1 - 16 (inclusive) and #234 - 249 (inclusive) are includedfor Norwegian and Malaysian specifications.Tonesmarked with * are not supported by IP sets and therefore shouldnot be selected in any system that has IP sets.
Table458
NTAK03,NTDK20, and NTDK97 A-Law tones and cadences
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
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311 01.04 Standard
Release 5.0 23 May 2008
Copyright© 2003-2008, Nor tel Networks
.