| |||
| 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; dial hum | |||
| clear signal | |||
| on-hook signal | |||
|
Freizeichen : 2 phrases in 2 subjects |
| Electronics | 1 |
| Technology | 1 |