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| telephone protocol | |||
| протокол телефонной связи: 4 phrases in 4 subjects |
| Communications | 1 |
| Computer networks | 1 |
| Technology | 1 |
| Telecommunications | 1 |
|
| |||
| telephone protocol | |||
| протокол телефонной связи: 4 phrases in 4 subjects |
| Communications | 1 |
| Computer networks | 1 |
| Technology | 1 |
| Telecommunications | 1 |