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| ringing tone | |||
| dialing tone | |||
| call connected signal (TTY) | |||
| dial tone (A sound emitted by the receiver of a telephone that indicates that a number can be dialed) | |||
| ringing signal; ringing tone signal | |||
| generic name | |||
| dial tone | |||
| clear signal | |||
| on-hook signal | |||
| Freizeichen: 1 phrase in 1 subject |
| Electronics | 1 |