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?
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?
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 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?
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 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?
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?
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 interactive 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 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?
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 solve echo problems?
Why can I hear the noise in a call?
Why does audio freeze 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 a live interactive 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?
Why can't I hear the voice in a call?
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 can I see big headshot or letterbox?
Why does the SDK stops 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?
General product inquiry
What platforms does Agora 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 Agora Live Interactive Streaming 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?
What is recording concurrency?
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
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?
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?