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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|Spain||Busy tone - I||425||0.2 on 0.2 off|
|Spain||Busy tone - II||425||0.5 on 0.5 off|
|Spain||Call waiting tone||425||0.175 on 0.175 off 0.175 on 3.5 off|
|Spain||Congestion tone - I|
|Spain||Congestion tone - II|
|Spain||Number unobtainable tone - I|
|Spain||Number unobtainable tone - II|
|Spain||Payphone recognition tone - I|
|Spain||Payphone recognition tone - II|
|Spain||Ringing tone - I|
|Spain||Ringing tone - II|
|Spain||Special dial tone - I|
|Spain||Special dial tone - II|
|Spain||Special information tone|
|Spain||Warning tone - operator intervening|