 |
| clear voice: 8 phrases in 4 subjects |
| General | 2 |
| Information security and data protection | 4 |
| Security systems | 1 |
| Telecommunications | 1 |
|
| clear voice: 8 phrases in 4 subjects |
| General | 2 |
| Information security and data protection | 4 |
| Security systems | 1 |
| Telecommunications | 1 |