 |
| |||
| liaison signal | |||
| interaction signal | |||
| |||
| line signals (на междугородной сети) | |||
| coordination signals (prearranged) | |||
| сигнал взаимодействия: 17 phrases in 8 subjects |
| Artificial intelligence | 1 |
| Communications | 3 |
| Firefighting and fire-control systems | 1 |
| Mass media | 3 |
| Military | 6 |
| Operation systems | 1 |
| Programming | 1 |
| Telecommunications | 1 |