 |
| |||
| telephone switching | |||
| коммутация телефонов: 5 phrases in 4 subjects |
| Information technology | 1 |
| Mass media | 1 |
| Mobile and cellular communications | 1 |
| Telecommunications | 2 |
|
| |||
| telephone switching | |||
| коммутация телефонов: 5 phrases in 4 subjects |
| Information technology | 1 |
| Mass media | 1 |
| Mobile and cellular communications | 1 |
| Telecommunications | 2 |