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  • Book Overview & Buying WebRTC Integrator's Guide
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WebRTC Integrator's Guide

WebRTC Integrator's Guide

By : Altanai Bisht
4.8 (4)
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WebRTC Integrator's Guide

WebRTC Integrator's Guide

4.8 (4)
By: Altanai Bisht
Buy this Book

Overview of this book

This book is for programmers who want to learn about real-time communication and utilize the full potential of WebRTC. It is assumed that you have working knowledge of setting up a basic telecom infrastructure as well as basic programming and scripting knowledge.
Table of Contents (12 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Running WebRTC with and without SIP
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1. Running WebRTC with and without SIP
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JavaScript Session Establishment Protocol (JSEP)
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Running WebRTC without SIP
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WebRTC through WebSocket signaling servers
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Running WebRTC with SIP
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Summary
2
2. Making a Standalone WebRTC Communication Client
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2. Making a Standalone WebRTC Communication Client
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Description of the WebRTC client-server model
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SIP servers
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Limitations of the existing setup
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Summary
3
3. WebRTC with SIP and IMS
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3. WebRTC with SIP and IMS
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The Interaction with core IMS nodes
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The IP Multimedia Subsystem core
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The Telecom server
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The Media Server
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WebRTC over firewalls and proxies
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The final architecture for the WebRTC-to-IMS integration
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Summary
4
4. WebRTC Integration with Intelligent Network
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4. WebRTC Integration with Intelligent Network
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From mobiles to WebRTC client through GPRS
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From mobiles to WebRTC client through GSM
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Call processed with the IN service logic
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The WebRTC client's SIP messages to SMS in a GSM phone (SMSC)
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Summary
5
5. WebRTC Integration with PSTN
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5. WebRTC Integration with PSTN
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What is PSTN?
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WebRTC connectivity to the PSTN
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The challenges in connecting the WebRTC world to the PSTN landscape
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The service logic
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Summary
6
6. Basic Features of WebRTC over SIP
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6. Basic Features of WebRTC over SIP
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SIP services
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Services in the Application Server
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Media Server-based features
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Features of a web application
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The admin console
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Summary
7
7. WebRTC with Industry Standard Frameworks
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7. WebRTC with Industry Standard Frameworks
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The Multitier architecture
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The design of a WebRTC client
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The environment setup
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Testing
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Summary
8
8. WebRTC and Rich Communication Services
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8. WebRTC and Rich Communication Services
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Rich Communication Services
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The RCS ecosystem and WebRTC
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Telecom operator's benefit derived from RCS
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Voice over LTE
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Summary
9
9. Native SIP Application and Interaction with WebRTC Clients
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9. Native SIP Application and Interaction with WebRTC Clients
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Support for WebRTC in various operating systems
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Summary
10
10. Other WebRTC Use Cases
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10. Other WebRTC Use Cases
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Unified Communicator
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Customized Communicator for specific enterprise segments
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The Customer Relationship Management system
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Network Operation Center
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The human resource management tool
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Social networking – targeting consumers
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Retail services
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Health care
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Financial services
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Remote management
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WebRTC games
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TV experience with WebRTC
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Interfacing services
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Summary
11
Index
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Index

Chapter 1. Running WebRTC with and without SIP

WebRTC lets us make calls right from a web page without any plugin. This was made possible using media APIs of the browser to fetch user media, WebSocket for transportation, and HTML5 to render the media on the web page. Thus, WebRTC is an evolved form of WebSocket communication. WebSocket is a Transport Layer protocol that carries data. The WebSocket API is an Application Programming Interface (API) that enables web pages to use the WebSocket protocol for (duplex) communication with a remote host.

In this chapter, we will study how WebRTC really works. We will also demonstrate the use of WebRTC media APIs to capture and render input from a user's microphone and camera onto a web page. In the later part of chapter, we will find out how to build a simple standalone WebRTC client using the plain WebSocket protocol as the signaling mechanism.

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