| |||
ringing detector | |||
RI (ring indicator) | |||
ring indicator | |||
call indicator | |||
ringing detector (в телефонии) | |||
call lamp; calling lamp; line lamp; call display | |||
| |||
call display (в телефонии) | |||
| |||
call indicator (oleg.vigodsky) |
индикатор вызова: 18 phrases in 7 subjects |
Astronautics | 1 |
Communications | 1 |
Mass media | 3 |
Military | 1 |
Technology | 1 |
Telecommunications | 10 |
Telephony | 1 |