Nortel Networks 311 사용자 설명서
Features
1121
Tone #
Frequency
(Hz)
dB below
overload
Precision
Ringing
Tones
DTMF
Digits
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 included
for Norwegian and Malaysian specifications.
for Norwegian and Malaysian specifications.
Tones marked with * are not supported by IP sets and therefore should
not be selected in any system that has IP sets.
not be selected in any system that has IP sets.
Table 458
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences
NTAK03, NTDK20, and NTDK97 A-Law tones and cadences
Tone #
Frequency (Hz)
dB below
overload
Precision
Ringing
Tones
DTMF
Digits
Digits
MF Digits
1
940 X 1630
-14/-13
P
2
700 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, Nortel Networks
.