FAQ - Voice Call (Legacy) - Agora Documentation

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Voice Call (Legacy)

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FAQ

Web

All Platforms

Platform

Android

iOS

macOS

Web

Windows

Framework

Electron

Unity

Flutter

React Native

Cocos Creator

Cocos2d-x

Integration issues

How can I pass the basic HTTP authentication or token authentication? 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 use Agora Web SDK on mobile devices? How can I use string user names? What are the common error messages to expect in Web browsers' console logs? 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? How to protect interactive live streaming from stream bombing? How to deal with the failure to send video streams on Chrome 88? Why can't I use startAudioMixing to play a music file? How can I set the logs? How to upgrade to token-based authentication? What are the differences between setEnabled and setMuted?

Quality issues

Why can I hear the noise in a call? Why does audio freezing occur in a call? Why does the SDK stop sending audio or video after the user uses a third-party app? 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?

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

How can I view Agora API references offline?