# TRTC实时音视频通话

device attachment
Please be sure to open the camera and microphone permission to the current page before device detection~
starting test
reconnect
Camera selection
Can you see yourself clearly
can't see
can see
Loudspeaker
Please turn up the volume of the device and click to play the audio below～
Can you hear a sound
can not hear
can hear
Microphone Selection
Try saying 'Hello' into the microphone～
Can you see the volume icon jump
can't see
can see
OS
browsers
Screen sharing capability
network quality
document
Live
School personnel
(my)
The camera is not on
Send
Are you sure you want to turn off live streaming
countermand
uncertain