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| group call (A call to a call group that rings the group owner and call group simultaneously. When a member of the group answers the call, the other members get a notification with the status of the call) | |||
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appel de groupe : 6 短语, 3 学科 |
| 微软 | 2 |
| 电子产品 | 1 |
| 通讯 | 3 |