| |||
dial-up line | |||
switched telephone line | |||
public switched telephone network |
коммутируемая телефонная линия: 17 phrases in 7 subjects |
Computer networks | 1 |
Electronics | 4 |
Information security and data protection | 3 |
Information technology | 1 |
Mass media | 3 |
Medical | 1 |
Security systems | 4 |