Opentok session. js app that exposes an API endpoint to terminate an OpenTok connection for a given session. Publish only video or audio, adjust the frame rate and more. OpenTok sessions do not expire. You can do this through the OpenTok REST API or one of the OpenTok Server SDKs. Also, the archiving sample will use the web service to start, stop, and view archives. Sessions are hosted on the Vonage Video API cloud and manage user Using a session ID and token, you can connect to the OpenTok session using the OpenTok. "/stop" -- The JS client calls this endpoint to stop recording the archive. If your app is suspended because the audio session yielded to another process, there is no need for additional logic to handle this. For more information on Load the OpenTok. For more information, see the archiving developer guide. The client-side code is what loads in an end-user’s Windows app and handles the majority of OpenTok functionality, including connecting to the session, publishing audio-video streams to the session, and subscribing to other clients’ streams. The OpenTok Node SDK provides methods for: Generating sessions and tokens for OpenTok applications Working with OpenTok archives Working with OpenTok live streaming broadcasts Working with OpenTok SIP interconnect Sending This repo is now deprecated. js. Use the OpenTok. I am using laravel 5. NET SDK: // Set the following constants with the API key and API secret // that you receive when you sign up to use the OpenTok API: OpenTok opentok = new JS and PHP every user publishes - and can subscribe to different users streams it is a one way subscription - the subscriber sees the publisher and not other members of the group. js, OpenTok’s client-side library for the web to quickly and easily build a real-time interactive video application. These credentials are usually generated by your server but we generated them for you this time. This topic includes the following sections: Initializing a Session object Connecting to a session Disconnecting from a session Detecting when you have disconnected from a session Automatic reconnection Detecting when other clients have connected and disconnected For When OpenTok session is over (when all clients have stopped publishing streams to the session), you can explicitly stop captioning using the Stop Captions API. OpenTok Connection Termination Service This project is a small Node. Overview All applications that use the Vonage Video API require both a client and a server component. js OT object and a configuration object. 23. In a production application, these credentials should be generated by a server, but to speed things up we will just hard code the values for now. Instantiate an instance of the test object, passing in the OpenTok. My guess is that the system time on your production server was off and so it was generating tokens that had already expired. All OpenTok interactions occur within a session (for more on this, see Video API Basics) — you can think of a session as a “room”. If you include video in the SIP call, the video from the other participant's streams (up To create a new OpenTok object, call the OpenTok constructor with your OpenTok API key and the API secret for your Vonage Video API account. js library to build Vonage Video API-powered WebRTC video, voice and messaging communications apps on iOS devices. The OpenTok . Learn more about the Vonage Video API Archiving functionality. Using sessions in client applications Use the session ID in an OpenTok client SDK to connect to an OpenTok session. With OpenTok, you can quickly and easily create sessions that allow users to interact with each other in real-time using video and audio. July 17, 2025 — Platform updates, OpenTok. The audio from other streams in the OpenTok session are mixed together and sent to your SIP endpoint. (getUserMedia error: NotSupportedError) By default, the OpenTok live streaming feature arranges videos from the OpenTok session in a tiled layout in the composed HLS or RTMP video. You will also need to generate a token for each user connecting to the OpenTok session. The layout is based on the number of videos in the session. The OpenTok Node SDK provides methods for: Generating sessions and tokens for OpenTok applications Working with OpenTok archives Working with OpenTok live streaming broadcasts Working with OpenTok SIP interconnect Sending signals to clients connected to a session Disconnecting clients from sessions Forcing clients in a session to disconnect or mute In order to authenticate a user connecting to a OpenTok session, a user's page must pass a token along with the API key. In this solution, the PHP SDK just needs to React-Basic-Video-Chat - This sample shows you how to connect to an OpenTok session, publish a stream, and subscribe to a stream using React. See Connection Token Creation for information on the generate_token() method. However, there is no event on the sending client that indicates that the recipient (s) received a signal. 17, is now available. I am using opentok for web and my issue is how to disconnect from current session. For the electron app samples, these have been moved Represents an OpenTok session in which the client is participating. session_id = session. 13. React components for OpenTok. If the app is suspended for a long period of time, the connection to the OpenTok session will end. . Response code: execution expired The OpenTok Insights API is a GraphQL API. The Creates a token for connecting to an OpenTok session. my logic: 1. Each session ID identifies a unique OpenTok By generating a session ID, you can quickly create sessions that allow users to interact with each other in real-time using video and audio. The callback has the signature function (error, session). The following . The custom TURN server API was added in version 2. Note! This library is designed to work with the Tokbox/OpenTok platform, part of the Vonage Video API. when subscribing - i change the sessionId and the token - to the How to recognise if I'm using Vonage Video API Unified Environment or Vonage Video API OpenTok environment? Procedure for Vonage Video API Opentok Environment The OpenTok platform allows you to record the sessions generated in your application. NET SDK provides methods for: Generating sessions and tokens for OpenTok applications that run on the . NET platform Working with OpenTok archives Working with OpenTok live streaming broadcasts Working with OpenTok SIP interconnect Sending signals to clients connected to a session Disconnecting clients from sessions Forcing clients in a session to You can use the OpenTok REST API to connect your SIP platform to OpenTok sessions. You can think of a session as a “room” where clients can interact with one another in real-time. sessionReconnected -- Sent when the local client has reconnected to the OpenTok session after its network connection was lost temporarily. Available in routed sessions. You will use it with the OpenTok constructor (only on your web server) to create OpenTok sessions. For a client connected to an OpenTok Session, the OpenTok client SDK dispatches an event when the client receives a signal. You will see a person-to-person video chat session using OpenTok. Contribute to opentok/Opentok-. Please consider sharing your modifications end def set_opentok_params session = config_opentok. js library includes completion handlers and exception events that reveal exceptions at run time. 0 of these client SDKs. Do not publicly share your API secret. 2. js update (Standard environment) Support for VP9 in routed sessions. You can get these values by creating a project on your OpenTok Account Page and scrolling down to the Project Tools section of your Project page. createSession (properties, callback) method. For more information, see The OpenTok Media Router and media modes. API documentation for the Rust `Session` struct in crate `opentok`. generate_token({ expire_time: Time. Import the module to get a constructor function for an OpenTok object, then call it with new to instantiate an OpenTok object with your own API Key and API Secret. We have enabled support for the VP9 video codec in routed sessions, with support for scalable video coding (SVC). Logically, a session is already like a group of streams, so there's no need to create more than one. The latest version of our Video Client SDKs, OpenTok v2. Live captioning must be enabled at the session level via the REST API. exception :: title: Unable to Publish (1500) msg: GetUserMedia +0ms OpenTok:Session:error 1500 +0ms Session. REST API method to list connections in a session. 6 and opentok 4. For framework examples (Angular, React, Vue etc. publish :: Could not publish in a reasonable amount of time In order to connect to an OpenTok session, the client will need access to some authentication credentials — an API Key, Session ID, and Token. on - is not called 2. This article will look at a C++ application that connects to an OpenTok session and publish randomly generated audio and video signals to the session. OpenTok:GlobalExceptionHandler:error OT. createSession () method to create an OpenTok session. ) Version: Opentok iOS verison 2. The OpenTok Java SDK provides methods for: Generating sessions and tokens for OpenTok applications Working with OpenTok archives Working with OpenTok live streaming broadcasts Working with OpenTok SIP interconnect Sending signals to clients connected to a session Disconnecting clients from sessions Forcing clients in a session to disconnect or mute OpenTok::OpenTokError: Failed to connect to OpenTok. Using a session ID and token, you can connect to the OpenTok session using the OpenTok Windows SDK. The library currently has When you connect to an OpenTok session on an app, you specify the session you want to connect to using an OpenTok session ID. On calling session. OpenTok:Session:error 1500 +0ms Session. The source code for this example application is available at Github. sessionReconnecting -- Sent when the local client has lost its connection to an OpenTok session and is trying to reconnect. Hi, i want to disconnect call by publisher with custom "DisconnetCall" button. js (for web clients), the OpenTok iOS SDK, or the OpenTok Android SDK. NET platform Working with OpenTok archives Working with OpenTok live streaming broadcasts Working with OpenTok server-side SDKThe OpenTok Python SDK lets you generate sessions and tokens for OpenTok applications, and archive OpenTok sessions. An OpenTok session connects different clients Learn how to connect to an Vonage Video API session so that participants can use audio, video, and messaging functionality in your web application. "/start" -- The JS client calls this endpoint to start recording the OpenTok session to an archive. The configuration object contains an API key for your app's OpenTok project, a session ID for a test Archive Inspector provides diagnostic information about archives created for an OpenTok session. now. Use the session_id property of the Session object to get the session ID. For more information about Create Session, see our Opentok Environment Developer Guides or Vonage Video API Unified In order to authenticate a user connecting to an OpenTok session, a client must connect using a token (see this overview). Calling the OpenTok create session API requires adding a POST header field (X-OPENTOK-AUTH) with the value being a JSON web token (JWT) for authentication. everyone is publishing - session. You can use the Insights API and the Insights Dashboard to obtain information about your OpenTok projects and sessions. You generate a token for each user connecting to an OpenTok session. opentok_token = session. I wanna know the steps in detail. In a relayed session, clients will attempt to send streams directly between each other (peer-to-peer); if clients cannot connect due to firewall restrictions, the session uses the OpenTok The Learning OpenTok PHP repo includes code for setting up a web service that handles the following API calls: "/session" -- The JS client calls this endpoint to get an OpenTok session ID, token, and API key. Your application server can disconnect a client from an OpenTok session by calling the force_disconnect(session_id, connection_id) method of the OpenTok class, or the force_disconnect(connection_id) method of the Session class. Thank you. to_i + 30. You can also toggle the video by clicking on The sample will load the OpenTok session ID, token, and API key from the web service. days }) end It worked well but sometimes I got this error: OpenTok::OpenTokError: Failed to connect to OpenTok. Record your video sessions for playback after your session ends. Used to capture an audio-video stream from the device's microphone and camera for use in an OpenTok session. I have an example solution for you. The service uses the OpenTok REST API to handle the disconnection. (See "Joining a Session" for Web, iOS, or Android. If your application requires it, you can use the signaling API to send receipt acknowledgments back to the sending When this happens, your app will be suspended, regardless of whether there is an active audio session. You must pass a valid API key, session ID, and token when connecting to an OpenTok session. Use the OpenTok. 1 Steps to reproduce Connect to session and start publishing Turn of the internet connection Wait for the session to disconnect Turn on the internet connection Connect to session again as soon as you turn on the internet The app successfully connects to session and starts publishing After a few seconds a stream destroyed If your credentials are valid, continue with further steps. create_session self. OpenTok media mode -- You can specify whether the OpenTok sessions will use the OpenTok Media Router ('routed') or not ('relayed'). 0 my php version is 7. session_id self. When you create the Session instance, you pass in the OpenTok session ID, token, and API key. This topic includes the following sections: Initializing a Session object Connecting to a session Disconnecting from a session Detecting when you have disconnected from a session Automatic reconnection Detecting when clients have connected and disconnected Sample applications for using the OpenTok. Contribute to opentok/opentok-react development by creating an account on GitHub. The OpenTok PHP SDK provides methods for: Generating sessions and tokens for OpenTok applications that run on the . This topic includes the following sections: Initializing a Session object Connecting to a session Disconnecting from a session Detecting when you have disconnected from a session Automatic reconnection Detecting when other clients have connected and disconnected For This repository provides sample applications for you to better understand the features of the OpenTok Windows SDK. NET code shows how to generate a token using the OpenTok . Session / Meeting OpenTok utilizes Sessions to establish connections between participants, whereas Dyte uses Meetings for the same purpose. Use the OpenTok live captions API to enable real-time audio captioning of the publishers and subscribers connected to an OpenTok session. For production deployment, you must generate the session ID and token values using one of the OpenTok Server SDKs. You get an API key when you sign up for an OpenTok account. Whether you choose to use the When prompted, grand the page access to your camera and microphone. OpenTok Create Session If you are looking to add video communication functionality to your website or mobile app, OpenTok by Vonage is an excellent tool to consider. js library with vanilla JavaScript. js library. NET-SDK development by creating an account on GitHub. The publisher does not see those who subscribed to him. When you make the API call to create a session a JSON Web Token is generated which has an encoded expiration time. Alternatively, you could use the OpenTok Server SDKs that let you create OpenTok sessions, generate tokens, work with OpenTok archiving, broadcasting, SIP, and more. Using a session ID and token, you can connect to the OpenTok session using the OpenTok Android SDK. publish :: A constraint specified is not supported by the browser. This was previously a beta feature. NET Server SDK for OpenTok . OpenTok Node SDK The OpenTok Node SDK provides methods for: Generating sessions and tokens for OpenTok applications Working with OpenTok archives Working with OpenTok live streaming broadcasts Working with OpenTok SIP interconnect Sending signals to clients connected to a session Disconnecting clients from sessions Forcing clients in a session to Vonage Video API broadcast lets you share live video sessions with many viewers. disconnect() the other participant in the call listens for the streamDestroyed event which returns a reason of "clientDisconnected" According to the docs: "clientDisconnected" — A client disconnected from the session by calling the disconnect() method of the Session object or by closing the browser. During a routed session, media streams are temporarily decrypted while within the OpenTok Platform cloud servers and then immediately re-encrypted prior to being sent through the internet to the subscribing client — unless you use the end-to-end encryption feature. The following PHP code example shows how to generate a token using the OpenTok PHP server-side library: Session Monitoring offers reliable and secure connection monitoring in Vonage Video API. Check the Vonage Developer Blog for more blog posts and tutorials. Developers can monitor server-side activity and verify each connection. A Flask based Python Lambda function to provide OpenTok session upon request. NET platform Working with OpenTok archives Working with OpenTok live streaming broadcasts Working with OpenTok SIP interconnect Sending signals to clients connected to a session Disconnecting clients from sessions Forcing clients in a session to Sessions Every Vonage Video API video chat occurs within a session. use OpenTok \ MediaMode; Read the blog on OpenTok Developer Guide which will help you to create your own video calling application. Find here some of the great new features included and how you can use them To use the OpenTok platform you need a session ID, token, and API Key. Learn what new features are available in the latest version of the JavaScript Vonage Video API library. The first step in using the OpenTok Android SDK is to initialize a Session instance by calling the Session () constructor. Sessions are created using the OpenTok Server SDKs or REST API, and every session is associated with a To connect more than two clients in a session using the OpenTok Android SDK, create a session that uses the OpenTok Media Router (a session with the media mode set to routed). Creates a new OpenTok session and returns the session ID, which uniquely identifies the session. So how to do this? And even i also want disconnect call within some time so how to do this also? Thanks Setup Basic OpenTok Web Client Let’s go through the basic implementation of OpenTok by utilizing OpenTok. This results from a loss in network connectivity. Find out any known issues, API changes, and more, as well as past release notes. #185 Learn how to connect to a Vonage Video API session so that participants can use audio, video, and messaging functionality in your application. Official . To create an OpenTok Session, use the OpenTok. Feel free to copy and modify the source code herein for your own projects. Note: If clients will connect to OpenTok sessions in a geographical region other than that of your proxy server and you are not using the configurable TURN server feature, be sure to set the location hint when you create OpenTok sessions. For more sample Vonage projects, check the Vonage Community GitHub repo. For example, the following illustrates the layout when there are 1, 2, 4, or 5 streams in a session: This is known as the "best fit" layout. For example, when using the OpenTok JavaScript library, use the session ID when calling the OT. See this documentation. In order to authenticate a user connecting to an OpenTok session that user must pass an authentication token along with the API key. The getSessionId() method of the OpenTok\Session instance returns the session ID, which you use to identify the session in the OpenTok client libraries. The properties parameter is an optional object used to specify whether the session uses the OpenTok Media Router, to specify a location hint, and to specify whether the session will be automatically archived or not. You can add your own TURN servers for each client connecting to the session, using OpenTok. The following Java code example shows how to generate a token using the OpenTok Java server-side library: Learn more about manipulating audio and video of Vonage Video API streams for your web application. The OpenTok. ) please see the Web Component example applications. 3 and I am trying to create session with that code: In order to authenticate a user connecting to an OpenTok session, a client must connect using a token (see this overview). Otherwise, audio captioning automatically stops after maximum duration Each session has a unique session ID, which you can use in an OpenTok client library to connect to an OpenTok session. Then restarting the server re-sync'd the clock and you didn't have the issue anymore. This lets you add audio (and, optionally, video) from a SIP call as a stream in the OpenTok session. Response code: Authentication failed while creating a session. It helps customers identify issues with the archiving feature by providing details about archiving events, the expected duration of archives, and the current state of archives. To start, create a In order to authenticate a user connecting to an OpenTok session, a client must connect using a token (see this overview). If you are looking to use the Vonage Video API and are using the Vonage Customer Dashboard, you will You can use the Audio Connector WebSocket connection to send audio data from the WebSocket connection to a stream published in an OpenTok session (in addition to having WebSocket connection receive audio from the session). initSession () method (to initialize an OpenTok session). Learn more about Vonage Video API's Broadcast functionality for large sessions. ohqlkh qmlm mqrek tocpeioz emkrt iucrcss ithpuhm nqdc cep fqif