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?
How do I use the Agora Web SDK to interoperate with the Agora Native SDK?
How can I track the quality of a call?
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 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
Common Errors in 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?
Echo occurs in a call.
Noise occurs in a call.
Audio freeze occurs in a call.
The audio volume of other users is too low.
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?
Mirror images occur in a call.
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.
Why do errors occur when calling the Stream.init method?
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?
Has the Agora RTM SDK set a limit on the number of online users? How many members does a single RTM channel support?
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?
Account & Billing
Agora's free-of-charge policy for the first 10,000 minutes
Billing for the voice call
Billing for the video call
Billing, Fee Deduction, and Account Suspension
Billing for the video broadcasting
Billing for the audio broadcasting
Billing for the cloud recording
Billing for the 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?
Why is no audio or video captured?
Why is the audio routing abnormal after the Android device joins the channel?
How can I view Agora API references offline?