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Server-side
Integration issues
How can I choose the video resolution, frame rate and bitrate?
How can I pass the basic HTTP authentication or token authentication?
What is the difference between the in-call volume and the media volume?
Does Agora have reconnection mechanisms?
How can I solve Recording integration issues?
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?
How can I solve channel-related issues?
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?
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?
What causes the 101 error in Cloud Recording SDK?
How does an app crash affect cloud recording?
What are the common error messages to expect in Web browsers' console logs?
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?
What does Cloud Recording do when a recording server drops offline or a process gets killed?
Where are the recorded files stored?
What's the difference 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?
In RTM SDK, does the call frequency limit refer to the limit of one client instance?
Why can't I play the audio file using startAudioMixing or playEffect on Android 9?
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 an interactive live streaming channel?
How to solve token-related errors?
How can I implement the call rejection function when the line is busy?
How can a host change the role of a remote user?
How do I get the user's call duration?
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 can I implement call notification in a call application?
How do I enable virtual gift sending in interactive live streaming using the Agora RTM SDK?
How do I remove a specified user from a channel?
What are the differences between the Message Notification Service and the query Method?
How do I use co-host token authentication?
What are the differences between the COMMUNICATION and LIVE_BROADCASTING profiles?
Why do I see a prompt to find local network devices when launching an iOS app integrated with the Agora RTC SDK?
Why do I see a prompt to find local network devices when launching an iOS app integrated with the Agora RTM SDK?
How can I rate a call?
How can I enable in-ear monitoring?
How can I enable camera exposure and focus?
How can I avoid being frequency limited when calling Agora Server RESTful APIs?
How to protect interactive live streaming from stream bombing?
Why do crashes occur on Unity SDK v3.0.1 or earlier?
Why does my project build fail when I use the iOS simulator in Xcode 12.3 or later?
Why can't I adjust the volume of the background music through the system volume?
Why doesn't the music file resume playback after a phone call on an Android device?
Why does the audio routing change after I switch to another app on an Android device?
Why can't I use startAudioMixing to play a music file?
How do I avoid sending audio streams to remote users during a phone call?
Why do I receive error messages after integrating the iOS SDK through CocoaPods and run the pod lib lint command?
How can I set the logs?
How can I handle the window-sharing issue on Windows 7?
How can I reduce the app size after integrating the RTC Native SDK?
How to upgrade to token-based authentication?
How can I switch from custom video capture to SDK capture?
How to connect Flexible Classroom with your own user management system and class scheduling system?
What are the differences between setEnabled and setMuted?
What is the relationship between the old and new callbacks of Media Push?
How can I solve common CocoaPods problems?
How can I enable image enhancement?
Why can't I hear audio in stereo when playing a stereo file?
How can I set user properties and classroom properties?
What are the common errors when I run Flexible Classroom?
How to enable the video enhancement extensions?
How can I reduce the app size after integrating the v4.x SDK?
How to set the output video resolution of the web page recording mode on the on mobile devices?
What can I do if I get a pop-up warning saying "the framework cannot be opened" when compiling an Xcode project?
Quality issues
How can I solve echo problems?
Why can I hear the noise in a call?
Why does audio freezing occur in a call?
How can I solve the problem of low volume?
How can I prevent volume changes when the users switch their roles in an interactive live streaming channel?
How can I solve issues relating to recording files?
How can I solve issues relating to recording status?
Why is the recording file split?
Why can't I answer calls through a Bluetooth device after connecting it to an iOS or Android device?
How can I troubleshoot the issue of no sound?
Why is my video choppy?
Why is my video blurry?
How can I fix black screen issues?
Why can't I turn on the camera?
Why do I see a big headshot or letterboxing?
Why does the SDK stop sending audio or video after the user uses a third-party app?
Why is my video pixelated or jagged and green?
How can I fix unsynchronized audio and video?
How can I solve the quality issues of screen sharing on Web clients?
How can I fix black, green, or pixelated video when a Web client and a Native client communicate with each other?
How to deal with the sudden silent audio or black video due to tracks being stopped?
General product inquiry
What platforms does Agora support?
What products does Agora provide?
Which browsers does the Agora Web SDK support?
What is the difference between Agora Live Interactive Streaming and common CDN + RTMP technologies?
What's the difference between on-premise recording and cloud recording?
What is recording concurrency?
Does the Agora RTM SDK have a limit on the number of concurrent online users and the frequency of sending channel messages?
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?
Which VR headsets are compatible with the Agora Video SDK?
What PowerPoint features are not supported by the dynamic file conversion function?
What classroom states does Flexible Classroom support?
Which audio file formats does the Agora RTC SDK support?
Account & Billing
Agora's free-of-charge policy for the first 10,000 minutes
What are Agora’s policies on billing, fee deductions, and account suspension?
How can I solve account issues in Agora Console?
How does Agora calculate service minutes?
What Should I do If the DAU in My RTM Project Exceeds 1000?
What should I do if I cannot receive the verification email from Agora?
Other issues
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 to solve SEI-related issues?
How can I view Agora API references offline?