6.1 Input Characters.............................................................................................42
6.2 Input IP Address.............................................................................................43
6.3 Ten Records Communicating by Phones .......................................................43
7.1 Making Video Calls .......................................................................................44
7.2 Making Phone Calls under PSTN ..................................................................45
7.3 Receiving Video Calls....................................................................................45
8.1 Snapshot.........................................................................................................46
8.2 Switching the Video and Audio Source .........................................................46
8.3 Activating Video/Audio Mute........................................................................47
8.4 Operation State...............................................................................................48
7