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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|Germany||Busy tone||425||0.48 on 0.48 off|
|Germany||Call waiting tone|
|Germany||Payphone recognition tone|
|Germany||Special dial tone|
|Germany||Special information tone|
|Germany||Warning tone - operator intervening|