 |
| |||
| control unit; dialling unit | |||
| CD | |||
| ringing equipment | |||
| control track signal (телеграфия); dialing unit (телеграфия); signaling unit | |||
| calling device (в телефонии); ringing device (в телефонии); caller; ringing set | |||
| calling device | |||
| ringer; rotron; calling equipment; alerting device (ssn); ringing device (тлф) | |||
| вызывное устройство: 36 phrases in 9 subjects |
| Communications | 2 |
| Computers | 1 |
| Electronics | 3 |
| Information technology | 1 |
| Mass media | 4 |
| Mobile and cellular communications | 1 |
| Technology | 3 |
| Telecommunications | 11 |
| Telephony | 10 |