Editing 2272: Ringtone Timeline
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==Explanation== | ==Explanation== | ||
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After the {{w|telephone}} was invented, a way of indicating when a call was coming through was needed. Special voltages sent through the line were used to activate a physical bell on the other end, leading to what we recognize as a {{w|Ringtone|phone ringing sound}}, and that method of generating sound persisted for quite some time, even when new methods of detecting and generating ringing sounds were developed. | After the {{w|telephone}} was invented, a way of indicating when a call was coming through was needed. Special voltages sent through the line were used to activate a physical bell on the other end, leading to what we recognize as a {{w|Ringtone|phone ringing sound}}, and that method of generating sound persisted for quite some time, even when new methods of detecting and generating ringing sounds were developed. |