Vonage API Help Center Vonage API Help Center

Troubleshooting

How to use Completion handler for Exception Handling
Objective Utilizing Completion Handlers for Exception Handling Applies T...
Firefox Pre-call test not supported
Question Is Pre-call test supported on the Firefox browser?  Applies To ...
Error Creating Session Using Vonage Video API .NET SDK
Symptom When using Vonage Video API .NET SDK, you experience errors rela...
Unable to Create Session Even Though API Key and Secret Are Valid
Symptom Unable to create session via Video REST API or Video API Server ...
HTTP 415 Error When Archiving Video Session
Symptom When attempting to start an archive in the Video API session usi...
Troubleshooting Invalid JWT When Creating a Video Session using REST API
Symptom When attempting to create a Vonage Video API session via REST AP...
Camara Still in Use after Session Disconnect on Android
Symptom After disconnecting a session the Publisher continues to capture...
Token Shows as Invalid
Symptom My token shows as invalid. Applies To Session Connect  Invalid ...
HTTP 400 Error When Archiving Video Session
Symptom When attempting to archive a Vonage Video API session, you recei...
1541 Timed out while attempting to publish Error
Symptom When publishing using Vonage Video API, you may experience publi...
How do I know if the connection is using TURN Relay servers during the session ?
Objective To verify if a connection is using TURN Relay servers during t...
How to update subscriber stream when manipulating video element
    Objective This article suggests how to update the stream when manipu...
Troubleshoot pre-call test error "A camera was found, but it is not sending video data"
Objective The objective is to complete the pre-call test without any err...
How to solve publisher view disappearance while using picture-in-picture (PiP) layout in React native Android app
Symptom When using the picture-in-picture (PiP) layout in a React Native...
How to Solve"OT_MEDIA_ERR_ABORTED" Error When Sharing Screens
Symptom When attempting to share a screen in Safari or Firefox, users ma...
Why is the frame rate low when publishing stream from a canvas?
Question When publishing a stream from a canvas, the frame rate is low. ...
Why is the container DIV destroyed when I publish or subscribe?
Question Why is the container DIV destroyed when I publish or subscribe?...
Seeing Only Black Screen with Video API
Symptom When using the Vonage Video API, I cannot publish properly. I am...
Subscribed to Multiple Streams in Session but Can Only See One Subscriber
Symptom I am subscribed to multiple streams in my session, but I can onl...
Can See Subscriber but Can’t Hear Them
Symptom I can see the subscriber but I can't hear their audio. Applies T...
I See a Black Screen and Can’t See or Hear the Subscriber
Symptom I can't see or hear the subscriber. I only see a black screen. A...
Screen Black and Can Hear but Not See Subscriber
Symptom When in a video session, I can hear the subscriber but I can't s...
Chrome on Android Does Not Work with H.264 Codec Projects
Symptom Participants on Android Chrome get the on screen error message "...
How to Resolve Echo Problems
Symptom When in a Vonage Video API session, I'm hearing an echo in the a...
Do Chrome and Firefox iOS applications work with Vonage Video API?
Question Does the Vonage Video API work with Chrome and Firefox iOS appl...
Session.capabilities.X Always Shows up as False
Symptom When using the Video API, session.capabilities.X always shows up...
Safari Can’t Access Camera in Multiple Concurrent Tabs
Symptom When using multiple tabs at once, Safari can't access the camera...
How do I get the number of connections in the session?
Objective Obtaining the number of connections in a session. Applies To ...
How do I properly resubscribe to video after failing over to audio only?
Question How do I properly resubscribe to video after a network issue ca...
Why doesn't publish or subscribe appear in the div I specified?
Symptom Publish and subscribe don't appear in the div I specified. Appli...