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Dial Tone, Busy and Ringback Signals by Country
Refer to the following tables for dial tone, busy, and ringback signals by Country:
|
Dial Tone Signal by Country |
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|
Country |
Frequency |
Second |
Period 1 On |
Period 1 Off |
Period 2 On |
Period 2 Off |
Amplitude |
|
Belgium |
450Hz |
|
Continuous tone |
-12dBm |
|||
|
France |
440Hz |
|
Continuous tone |
-12dBm |
|||
|
Germany |
425Hz |
|
Continuous tone |
-12dBm |
|||
|
Israel |
400Hz |
|
Continuous tone |
-12dBm |
|||
|
Italy |
425Hz |
|
0.6sec |
1.0sec |
0.2sec |
0.2sec |
-12dBm |
|
Japan |
400Hz |
|
Continuous tone |
-20dBm |
|||
|
The Netherlands |
150Hz |
450Hz |
Continuous tone |
-12dBm |
|||
|
Norway |
425Hz |
|
Continuous tone |
-12dBm |
|||
|
Singapore |
270Hz |
320Hz |
Continuous tone |
-12dBm |
|||
|
South Korea |
350Hz |
440Hz |
Continuous tone |
-12dBm |
|||
|
Sweden |
425Hz |
|
Continuous tone |
-12dBm |
|||
|
Switzerland |
425Hz |
|
Continuous tone |
-12dBm |
|||
|
Taiwan |
350Hz |
440Hz |
Continuous tone |
-12dBm |
|||
|
United States |
350Hz |
440Hz |
Continuous tone |
-12dBm |
|||
|
United Kingdom |
350Hz |
|
Continuous tone |
-12dBm |
|||
|
Busy Signal by Country |
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|
Country |
Frequency |
Second |
Period 1 On |
Period 1 Off |
Period 2 On |
Period 2 Off |
Amplitude |
|
Belgium |
450Hz |
|
0.15sec |
0.15sec |
|
-20dBm |
|
|
France |
440Hz |
|
0.5sec |
0.5sec |
|
-20dBm |
|
|
Germany |
425Hz |
|
0.5sec |
0.5sec |
|
-20dBm |
|
|
Israel |
400Hz |
|
0.5sec |
0.5sec |
|
-20dBm |
|
|
Italy |
425Hz |
|
0.5sec |
0.5sec |
|
-20dBm |
|
|
Japan |
400Hz |
|
0.5sec |
0.5sec |
|
-5dBm |
|
|
The Netherlands |
425Hz |
|
0.5sec |
0.5sec |
|
-20dBm |
|
|
Norway |
425Hz |
|
0.5sec |
0.5sec |
|
-20dBm |
|
|
Singapore |
270Hz |
320Hz |
0.75sec |
0.75sec |
|
-20dBm |
|
|
South Korea |
480Hz |
620Hz |
0.5sec |
0.5sec |
|
-20dBm |
|
|
Sweden |
425Hz |
|
0.25sec |
0.25sec |
|
-20dBm |
|
|
Switzerland |
425Hz |
|
0.5sec |
0.5sec |
|
-20dBm |
|
|
Taiwan |
480Hz |
620Hz |
0.5sec |
0.5sec |
|
-20dBm |
|
|
United States |
480Hz |
620Hz |
0.5sec |
0.5sec |
|
-20dBm |
|
|
United Kingdom |
400Hz |
|
0.4sec |
0.4sec |
|
-20dBm |
|
|
Ring-back Signaling by Country |
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|
Country |
Frequency |
Second |
Cycle Duration |
Period 1 On |
Period 1 Off |
Period 2 On |
Period 2 Off |
Amplitude |
|
Belgium |
450Hz |
|
4.0sec |
1.0sec |
3.0sec |
|
-20dBm |
|
|
France |
400Hz |
|
5.0sec |
1.65sec |
3.35sec |
|
-20dBm |
|
|
Germany |
425Hz |
|
5.0sec |
1.0sec |
4.0sec |
|
-20dBm |
|
|
Israel |
400Hz |
450Hz |
4.0sec |
1.0sec |
3.0sec |
|
-20dBm |
|
|
Italy |
425Hz |
|
5.0sec |
1.0sec |
4.0sec |
|
-20dBm |
|
|
Japan |
384Hz |
416Hz |
3.0sec |
1.0sec |
2.0sec |
|
-5dBm |
|
|
The Netherlands |
425Hz |
|
5.0sec |
1.0sec |
4.0sec |
|
-20dBm |
|
|
Norway |
425Hz |
|
5.0sec |
1.0sec |
4.0sec |
|
-20dBm |
|
|
Singapore |
400Hz |
|
3.0sec |
0.4sec |
0.4sec |
0.2sec |
2.0sec |
-20dBm |
|
South Korea |
440Hz |
480Hz |
3.0sec |
1.0sec |
2.0sec |
|
-20dBm |
|
|
Sweden |
425Hz |
|
5.0sec |
1.0sec |
4.0sec |
|
-20dBm |
|
|
Switzerland |
425Hz |
|
5.0sec |
1.0sec |
4.0sec |
|
-20dBm |
|
|
Taiwan |
440Hz |
480Hz |
3.0sec |
1.0sec |
2.0sec |
|
-20dBm |
|
|
United States |
440Hz |
480Hz |
6.0sec |
2.0sec |
4.0sec |
|
-20dBm |
|
|
United Kingdom |
400Hz |
450Hz |
3.0sec |
0.4sec |
0.2sec |
0.4sec |
2.0sec |
-20dBm |