Nortel Networks 1000 User Manual
Page 999
Features
999
Table 420
NTAK03, NTDK20, and NTDK97 Mu-Law tones and cadence (cont’d.)
Tone #
Frequency
(Hz)
dB below
overload
Precision
Ringing
Tones
DTMF
Digits
MF Digits
16
700/1340
-12/-10
2
17
700/1480
-12/-10
3
18
770/1210
-12/-10
4
19
770/1340
-12/-10
5
20
770/1480
-12/-10
6
21
850/1210
-12/-10
7
22
850/1340
-12/-10
8
23
850/1480
-12/-10
9
24
940/1340
-12/-10
0
25
940/1210
-12/-10
*
26
940/1480
-12/-10
#
27
700/1630
-12/-10
Fo
28
770/1630
-12/-10
F
29
850/1630
-12/-10
I
30*
reserved
31
reserved
32*
reserved
33
400
-19
÷
34
[400 x (120@85%)]
-19
÷
35
940/1630
-17/-15
P
36
700/1210
-17/-15
1
37
700/1340
-17/-15
2
38
700/1480
-17/-15
3
39
770/1210
-17/-15
4
40
770/1340
-17/-15
5
41
770/1480
-17/-15
6
42
850/1210
-17/-15
7
43
850/1340
-17/-15
8
44
850/1480
-17/-15
9
45
940/1340
-17/-15
0
46
940/1210
-17/-15
*
Nortel Communication Server 1000
Circuit Card Reference
NN43001-311
02.06
Standard
27 August 2008
Copyright © 2003-2008 Nortel Networks
.