configured previously.
Countries
Tones
Frequency
(
(
(
(
Hz
)
)
)
)
Signal melody
China
Dial tone
450
Continuous
Ring back tone
450
1.0 on 4.0 off
Busy tone
450
0.35 on 0.35 off
Unobtainable Tone
450
3x(0.1 on 0.1 off) 0.4 on 0.4 off
Taiwan
Dial tone
350+440
Continuous
Ring back tone
440+480
1.0 on 2.0 off
Busy tone
440+480
0.5 on 0.5 off
Unobtainable tone
Japan
Dial tone
400
Continuous
Ring back tone
400
1.0 on 2.0 off
Busy tone
400
0.5 on 0.5 off
Unobtainable tone
Korea
Dial tone
350+440
Continuous
Ring back tone
440+480
1.0 on 2.0 off
Busy tone
480+620
0.5 on 0.5 off
Unobtainable tone
450
0.2 on 0.1 off 0.2 on 1.5 off
USA
Dial tone
350+440
Continuous
Ring back tone
440+480
2.0 on 4.0 off
Busy tone
480+620
0.5 on 0.5 off
Unobtainable tone
400
0.5 on 6.0 off
Germany
Dial tone
425
Continuous
Ring back tone
425
1.0 on 4.0 off
Busy tone
425
0.48 on 0.48 off
Unobtainable tone
India
Dial tone
400
Continuous
Ring back tone
400
1.0 on 2.0 off
Busy tone
400
0.75 on 0.75 off
Unobtainable tone
Russia
Dial tone
425
Continuous
Ring back tone
425
0.8 on 3.2 off
Busy tone
425
0.4 on 0.4 off
Unobtainable tone
France
Dial tone
440
Continuous
Ring back tone
440
1.5 on 3.5 off
Busy tone
440
0.5 on 0.5 off
Unobtainable tone
England
Dial tone
350+440
Continuous
Ring back tone
400+450
0.4 on 0.2 off 0.4 on 2.0 off
Busy tone
400
0.375 on 0.375 off
Unobtainable tone
400
Continuous
Italy
Dial tone
425
0.2 on 0.2 off 0.6 on 1.0 off
Ring back tone
425
1.0 on 4.0 off
Busy tone
425
0.5 on 0.5 off
Unobtainable tone
Brazil
Dial tone
425
Continuous
Ring back tone
425
1.0 on 4.0 off
Busy tone
425
0.25 on 0.25 off
Unobtainable tone
425
0.75 on 0.25 off 0.25 on 0.25 off
Spain
Dial tone
425
Continuous
Ring back tone
425
1.5 on 3.0 off
Busy tone
425
0.2 on 0.2 off
Unobtainable tone
425
0.5 on 2.5 off
Table 32
VOIP
GATEWAY32
TONES
FORMAT
6
6
.
.
4
4
.
.
2
2
S
S
e
e
l
l
f
f
-
-
d
d
e
e
f
f
i
i
n
n
e
e
d
d
t
t
o
o
n
n
e
e
f
f
o
o
r
r
m
m
a
a
t
t