可以召开电话会议房间内没有对讲电话。
Can conference call phone in room doesn't have speaker phone.
使用紧急呼叫或帮助按钮，也可打电话或用对讲机寻求救助。
Use the ALARM or HELP button, the telephone or the intercom to call for assistance.
电话通话之间自由切换，蓝牙对讲，音乐。
Freely switch between Phone call, Bluetooth Intercom, Music.
电话通话之间自由切换，蓝牙对讲，音乐。
Freely switch between Phone call, Bluetooth Intercom, Music.
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