| |||
the engaged signal | |||
busy tone | |||
Subscriber busy signal | |||
busy signal (The indication that the phone is busy) | |||
audible busy signal; off-hook signal; off-hook sign | |||
busy tone; engaged tone; busy signal (тж. см. get a busy signal Taras); busy signal | |||
| |||
off-hook signal; «subscriber busy» signal |
сигнал «занято : 26 phrases in 9 subjects |
Business | 2 |
Computers | 1 |
Electronics | 1 |
Firefighting and fire-control systems | 1 |
General | 1 |
Makarov | 1 |
Mass media | 11 |
Telecommunications | 6 |
Telephony | 2 |