United State Standardized Telephone Tones sound-packs 00:00 11:03 立即下载 立即下载 Personal use only. 0 sfx-Americansfx-Answersfx-Answeringsfx-Bellsfx-Burstsfx-Busysfx-Callsfx-Callingsfx-Communicationsfx-Congestionsfx-Connectionsfx-Dialsfx-Downsfx-Frequencysfx-Interceptsfx-Landlinesfx-Operatorsfx-Phonesfx-Pickingsfx-Ringsfx-Ringingsfx-Soundsfx-Specialsfx-Standardsfx-Telephonesfx-Tonesfx-Unobtainablesfx-Waitingsfx-Warning
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