| |||
| 양방향 호출 (A system that allows users to send and receive messages when they are out of range) | |||
|
2 : 1 phrase in 1 subject |
| Microsoft | 1 |
| |||
| 양방향 호출 (A system that allows users to send and receive messages when they are out of range) | |||
|
2 : 1 phrase in 1 subject |
| Microsoft | 1 |