Integrating WebRTC with PSTN using OpenTok & Nexmo SIP

Integrating WebRTC with PSTN using OpenTok & Nexmo SIP

In this blog we look at how to connect OpenTok Live Video sessions with traditional PSTN phone calls. We will demonstrate how to connect an OpenTok session to PSTN with an audio stream that connects through OpenTok SIP Interconnect to a Nexmo SIP-PSTN Gateway.

OpenTok SIP Interconnect is a general purpose SIP capability that can be used to connect to many different kinds of gateway or other SIP systems. TokBox is now part of Vonage, so in this blog we will use our own Nexmo programmable communications APIs to bridge the call.

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Building a text chat for Android and iOS with OpenTok React Native

Build a text chat app for iOS and Android with OpenTok React Native

As you may know, we recently announced an OpenTok Labs solution for adding live video and messaging to your React Native application. In this post, we’d like to take a deeper look at how to use the OpenTok Signaling API to build a text chat application with React Native.

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Build live video mobile apps with OpenTok React Native

OpenTok React Native for live video mobile apps

Over the past few weeks, I’ve been working on OpenTok React Native. As the name suggests, it’s a React Native library for OpenTok. As I work with developers at hackathons and other events, I’ve had lots of questions about React Native and OpenTok. So on April 11th I’ll be hosting a webinar where I’ll build iOS and Android applications with live video using OpenTok and React Native. 

Watch Webinar Replay

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New web sample apps for OpenTok in React, Angular 5 and Vue

react, angular 5, vue sample apps for webrtc

We get a lot of requests from our customers for examples of how to use OpenTok in their framework of choice. I’m here to tell you today that we are answering your pleas in 3 of the most popular Web frameworks out there: React, Angular 5 and Vue.js

You can find the new sample apps in our Web Samples Github Repository.

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A flexible layout container for multiparty video chat

real-time communications industry news wrap September 2018

When anyone builds a multiparty video chat application they pretty quickly run into the issue of how to lay out the many different participants. You want everyone to be visible to everyone else and you also want video to take up as much space as possible, without wasted white-space. In the web you have the additional complexity of lots of different display sizes. Participants can be on a mobile device or tablet, or even just resizing their browser window so that they can see something else beside the video chat. For this reason you want a layout algorithm that is responsive.

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Connecting WebRTC endpoints and Telephony Systems with OpenTok SIP Interconnect

OpenTok SIP Interconnect Webrtc for telephony systems

As we continue to work towards enabling developers to reap the full potential of WebRTC, we wanted to demonstrate connecting a WebRTC audio stream with a PSTN user, using OpenTok SIP Interconnect and a third party SIP-PSTN Gateway.

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Game on! Learn how to add OpenTok live video chat to Unity

unity and opentok webrtc for games

When talking about game development, there is one name that quickly comes to mind. Unity has become one of the most popular engines that you can use if you plan to develop a game. Its multiplatform capabilities and ease of use makes it a good solution to bring your idea to life.

Like any other type of application, adding live communication features to a game is not a trivial thing. There are plenty of complicated problems to solve. OpenTok comes to the rescue in most scenarios and adding video chat to Unity game development is no exception.

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How to use Android Picture-in-Picture mode with OpenTok

Android Picture in Picture with opentok webrtc video call

Picture this: you are outside in a park and attending a meeting using your Android phone with a cool OpenTok-based application, but suddenly you need to check some information from a different app on your phone. Currently, your only option would be to put the original app in the background, and stop seeing the rest of the people in the meeting while you check that information.

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Build a live video app with ARKit and OpenTok

Build Live video spp with ARKit

If you have an iPhone, chances are that you have already upgraded to the latest version of iOS. In its 11th version, Apple has introduced many new things. As usual, some of them are related to the new hardware, others improve and polish the well-known iOS formula. But there is one thing that is completely new and will bring a new type of applications that never existed before at this scale. We are talking about Augmented Reality (or AR) applications, and the Apple SDK ARKit.

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Build WebRTC desktop apps with OpenTok and Electron

Electron and OpenTok WebRTC

TokBox is pleased to announce that with the release of OpenTok.js v2.12, OpenTok now officially supports Electron, allowing developers to build hybrid desktop applications which combine native APIs and web development to create native-like applications.

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