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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|Thailand||Busy tone||400||0.5 on 0.5 off|
|Thailand||Call waiting tone||400||1.0 on 10.0 off 1.0 on|
|Thailand||Congestion tone||400||0.3 on 0.3 off|
|Thailand||Number unobtainable tone|
|Thailand||Special dial tone|
|Thailand||Special information tone|
|Thailand||Trunk offering tone|