How can we help you?
General product inquiry
Account & Billing
How can I choose the video resolution, frame rate and bitrate?
How can I pass the basic HTTP authentication?
What is the difference between the in-call volume and the media volume?
Does Agora have reconnection mechanisms?
Recording integration FAQ
How do I control recording sessions in the command-line interface?
How can I switch the input device during a web call?
Why do errors occur when calling the Stream.init method?
How do I use the Agora Web SDK to interoperate with the Agora Native SDK?
Is the Agora RTM SDK an upgrade of the legacy Signaling SDK?
Which media players can play the recored files?
How do I set the video profile of the recorded video?
How can I use Agora Web SDK on mobile devices?
How to solve audio problems relating to gaming scenario?
How can I set the log file?
What's the lowest glibc version that the Agora RTM SDK requires on Linux Java and Linux C++?
How can I use string user names?
Why are there no recorded files in the cloud storage?
How can I get the URL of the M3U8 file?
How can I stop cloud recording?
Cloud recording 101 error
What should I do if my app crashes?
What are the common errors in Web browsers' console log？
When injecting online streams to the CDN, what should I do when a disconnection happens?
When pushing streams to the CDN, what should I do when a disconnection happens?
Why do I get a 404 error when I call query after successfully starting a cloud recording?
Fault processing when a cloud recording server is disconnected or the process killed
Where are the recorded files stored?
Differences between individual recording mode and composite recording mode
How can I switch between the screen-sharing stream and the camera stream?
How can I set a mirror mode?
When mentioning qps, are you referring to the qps in the context of an RtmClient instance or in the context of one Agora RTM SDK?
Why can't I play the background music using startAudioMixing on Android 10?
How can I choose the region of my cloud storage?
Why can't I hear the music when using Unity objects to play the music?
How can I listen for an audience joining or leaving a live broadcast channel?
Troubleshooting token-related errors
How can I implement the call rejection function when the line is busy?
How can a broadcaster change the role of a remote user?
Why is the camera light still on after I disable my video on the Web?
Why do errors occur when compiling the Agora RTM Linux Java SDK?
Why can't I get the device ID on Chrome 81?
How can I listen for the status of a user's microphone and camera?
How can I determine whether a call is an audio call or a video call?
How to solve echo problems?
Noise occurs in a call.
Audio freeze occurs in a call.
How to solve the problem of low volume?
How can I prevent volume changes when the users switch their roles in a live broadcast?
Recording file issues
Recording status issues
Why is the recording file split?
Why can't I answer calls through a Bluetooth device after connecting an iOS device to it?
I cannot hear any voice in a call.
Video freeze occurs in a call.
The video is blurry in a call.
How can I solve black screen issues?
I cannot turn on the camera.
Big headshot or letterbox occurs in a call.
The SDK does not send audio/video after the user uses a third-party app.
General product inquiry
What platforms does the Agora SDK support?
What products does Agora provide?
What's the difference between the Agora RTM SDK and the Signaling SDK
Which browsers does the Agora Web SDK support?
What is the difference between the Agora Interactive Broadcast technologies and common CDN + RTMP technologies?
What's your plan for the Agora Signaling SDK?
What's the difference between on-premise recording and cloud recording?
Does the Agora RTM SDK have a limit on the number of concurrent online users?
How many users can Agora RTC SDK support at the same time?
Why can't I call the Cloud Recording RESTful API through a web browser?
Does Agora RTM SDK support emoji?
What functions does Agora RTM SDK support? Where can it be used?
What is a token? Where can I get a token? When shall I use it?
Which VR headsets are compatible with the Agora Video SDK?
Account & Billing
Agora's free-of-charge policy for the first 10,000 minutes
Billing for a voice call
Billing for a video call
Billing, Fee Deduction, and Account Suspension
Billing for video broadcasting
Billing for audio broadcasting
Billing for cloud recording
Billing for on-premise recording
How can I solve account issues in Agora Console?
Are the audio minutes on my bill for a specific user?
Why do I see audio minutes in my bill even though all users subscribe to video streams?
Why have I been charged for HD+ video minutes, even though all the users subscribe only to video streams with resolution of 360 x 640?
Does Agora charge differently if I use a different recording mode?
Does Agora charge the screen capture function separately?
How can I bill individuals?
How does Agora calculate service minutes?
Why is no audio or video captured on Android 9 devices?
Why is the audio routing abnormal after the Android device joins the channel?
How can I view Agora API references offline?