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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|Yugoslavia||Busy tone - I||425||0.5 on 0.5 off|
|Yugoslavia||Busy tone - II||425||0.2 on 0.4 off|
|Yugoslavia||Dial tone||425||0.7 on 0.8 off 0.2 on 0.3 off|
|Yugoslavia||Ringing tone - I|
|Yugoslavia||Ringing tone - II|
|Yugoslavia||Special information tone|