Welcome to the World Tone Database, dedicated to the A-Z of international call progress tones. From here you can research tone parameters in national tone plans and hear the tones on-line.
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|Philippines||Busy tone||480+620||0.5 on 0.5 off|
|Philippines||Call waiting tone||440||0.3 on 10.0 off|
|Philippines||Conference tone||440||0.2 on 15.0 off|
|Philippines||Number unobtainable tone|
|Philippines||Special dial tone|