Documentation
Video Call (Legacy)
All
Product
Video Call
Chat (BETA)
Agora Basics
Previous Product
Voice Call (Legacy)
Video Call (Legacy)
Interactive Live Streaming Premium (Legacy)
Interactive Live Streaming Standard (Legacy)
Real-time Messaging
Live-stream Shopping
Lecture Hall
AI Interactive Classroom
Use Case
Multiple Hosts
Single Host
Virtual Host
PK Host
Console
官网
Community
Technical support
English
简体中文
English
Log In
Sign Up
Sign Up
Log In
Language
中文
English
官网
Console
Community
Technical support
Docs
API Reference
Downloads
Code Samples
FAQ
Docs
API Reference
Downloads
Code Samples
FAQ
4.0.0 Beta
Search
Search in this product
Search in all products
Search
All Platforms
All Platforms
Platform
Android
iOS
macOS
Web
Windows
Framework
Electron
Unity
Flutter
React Native
Cocos Creator
Cocos2d-x
Integration issues
Quality issues
General product inquiry
Account & Billing
Other issues
FAQ
All Platforms
All Platforms
Platform
Android
iOS
macOS
Web
Windows
Framework
Electron
Unity
Flutter
React Native
Cocos Creator
Cocos2d-x
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 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?
How can I use Agora Web SDK on mobile devices?
How can I set the log file?
How can I use string user names?
What are the common error messages to expect in Web browsers' console logs?
How can I switch between the screen-sharing stream and the camera stream?
How can I set a mirror mode?
Why can't I play the audio file using startAudioMixing or playEffect on Android 9?
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 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 do I remove a specified user from a channel?
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?
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?
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?
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?
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?
Why can't I answer calls through a Bluetooth device after connecting it to an iOS or Android device?
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?
How many users can Agora RTC SDK support at the same time?
Which VR headsets are compatible with the Agora Video SDK?
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?
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 can I view Agora API references offline?