To change between showing video or hearing the voice of the caller only, select or .
To mute or unmute the microphone, select or .
Warning: Do not hold the device near your ear when the loudspeaker is in use, because the volume may be extremely loud.
To activate the loudspeaker, select . If you have attached a compatible headset with Bluetooth connectivity, to route the sound to the headset, select Options > Activate BT handsfree.
To switch back to the handset, select .
To use the camera in the back of your device to send video, select Options > Use secondary camera.
To switch back to the camera in the front of your device, select Options > Use main camera.
To take a snapshot of the video you are sending, select Options > Send snapshot. Video sending is paused and the snapshot is shown to the recipient. The snapshot is not saved.
To zoom your image in or out, select Options > Zoom.
To change the video quality, select Options > Video preference > Normal quality, Clearer detail or Smoother motion.