 |
| |||
| 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 |