| русский | rus-000 |
| двусторонняя связь | |
| English | eng-000 | bidirectional communication |
| English | eng-000 | bidirectional coupling |
| English | eng-000 | bilateral constraint |
| English | eng-000 | duplex |
| English | eng-000 | duplex communication |
| English | eng-000 | talkback |
| English | eng-000 | two-way communication |