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⑤
Press this icon to reject the incoming call.
⑥
Press this icon to adjust the ring tone volume
2.2.2 During the session
①
The call video will be showed in this window.
②
To adjust the volume here.
③
Press this icon to dial out another number.
④
Press this icon to hold the current call.
⑤
Press this icon to capture the video.
⑥
Press this icon to unlock the corresponding door
phone (if the call is from door phone)
⑦
Press this icon to hang up the current call.
⑧
Press this icon to open the 3*3 digital keypad.