 |
| |||
| digital switching system | |||
| digital central office switch (oleg.vigodsky) | |||
| цифровая коммутационная система: 9 phrases in 4 subjects |
| Information technology | 1 |
| Mass media | 1 |
| Military | 4 |
| Telecommunications | 3 |
|
| |||
| digital switching system | |||
| digital central office switch (oleg.vigodsky) | |||
| цифровая коммутационная система: 9 phrases in 4 subjects |
| Information technology | 1 |
| Mass media | 1 |
| Military | 4 |
| Telecommunications | 3 |