| Signal to make a call (2 words) |
Family Time |
31 Jul 2023 |
| What's not heard from a cell phone |
Newsday |
04 Mar 2021 |
| Cellphone lack |
Wall Street Journal |
03 Oct 2020 |
| Sound on a landline phone |
Newsday |
07 Sep 2020 |
| Phone sound |
USA Today |
19 Dec 2019 |
| Sound around a cradle |
New York Times |
12 Oct 2019 |
| Sound around a cradle |
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| Cellphone's lack (2 words) |
Family Time |
28 Oct 2018 |
| Feature of a landline, but not a cellphone |
New York Times |
08 Jun 2016 |
| Feature of a landline, but not a cellphone |
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| Sound on phone line |
The Times Concise |
24 Nov 2015 |
| Phone drone |
USA Today |
10 Jan 2015 |
| Phone drone |
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| Landline sound |
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| It's a mix of 350 Hz and 440 Hz in the United States |
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| Sound from a receiver |
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| Cell phone's lack |
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| "Ready" signal of a kind |
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| "Ready" signal of a kind |
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| Sound after a hang-up |
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| Landline feature |
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| Cell phone's lack |
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| Caller's need |
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| Cell phone's lack |
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| Indication of service availability |
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| Signal to place a call |
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| Sign of a working phone |
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| Sign of a working phone |
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| Receiver sound |
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| Dead phone's lack |
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| Dead phone's lack |
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| Phone drone |
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| Open line indicator |
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| "It's okay to call now" signal |
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| Ready signal of a sort |
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| Caller's need |
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| Ready signal of a sort |
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| Caller's need |
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| It may follow a click |
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| Call Franchot |
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| Telephone hum |
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| Phone sound |
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| Modern sound effect. |
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| Sound of the open line. |
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| Telephone signal. |
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| Indication of service availability |
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