Contents

Title and Copyright Information

Preface

• Audience
• Related Documents
• Documentation Accessibility

1 About Extending WebRTC Session Controller

• About Extending WebRTC Session Controller Functionality
• About the WebRTC Session Controller Console Components
• About the WebRTC Session Controller Groovy Scripts
• About Creating Client Applications Using the JavaScript API
• About Translating Calls Using the Configuration API
• About Extending WebRTC Session Controller Using the JSONRTC Protocol
• WebRTC Session Controller Software and Protocol Conformance
• Prerequisites for Extending WebRTC Session Controller Functionality

2 About Building JSON to SIP Communication

• About Building JSON to SIP Communication
  • Securing Signaling Engine Connections
  • About Connecting to a Client Application
  • About Sessions and Subsessions
  • About JSON to SIP Communication
  • About SIP to Client Communication
  • About Storing Data Within Sessions
• Understanding the WebRTC Session Controller Components
  • About Applications
  • About Packages
  • About Criteria
• About the WebRTC Session Controller Console
• About the Groovy Scripts
• About Accessing the Parameters Using Groovy Scripts
  • About the Contexts
• About the Script Library
• About the Normalized Data Format

3 Creating WebRTC Session Controller Applications, Packages, and Criteria

• Creating Criteria
• Creating Packages
• Creating Applications
• Exporting and Importing a Configuration
• Debugging Groovy Script Run Time Errors
• About the WebRTC Session Controller Console Validation Tests

4 Customizing Messages for New SIP or JSON Data

• Processing Messages With Custom SIP Data
  • Example SIP Request Variable
  • Propagating Custom Headers to SIP and Browser Endpoints
  • Extending SIP Messages with New Headers
  • Protecting System Performance by Removing SIP Messages
  • Removing a SIP Header in a Message
  • Replacing a SIP Header in a Message
  • Conditionally Passing SIP Headers in Messages
• Changing JSON Data to Support Protocol Changes
• Retrieving Session Addressing Information from Groovy
• Initiating REST Calls from Groovy
  • Adding a REST URI Endpoint Constant
  • Creating a REST Request in Groovy
  • Configuring the REST Request
  • Sending the REST Request
  • Handling REST Responses
  • REST Authentication
  • Useful XML Groovy Utilities for REST Calls
• Extending WebRTC Session Controller Functionality

5 Using Policy Data in Messages

• About Using Policy Control Data with Signaling Engine
  • Creating and Sending Diameter Rx Request messages
  • Accepting and Using Diameter Rx Answer Messages

6 Anchoring Media Sessions

• About the WebRTC Session Controller Media Server
  • About Media Engine Sessions
  • About Using createSdpOffer to Modify INVITE SDP Data
  • About Using createSdpAnswer to Process 200 Message SDP Data
  • About Using createReleaseRequest to Explicitly Release Media

A JSONRTC Protocol Reference

• About the JSONRTC Protocol
  • Initiating a HTTP/HTTPS Handshake with Signaling Engine
  • Closing a JSONRTC Session
  • About JSONRTC Sessions and SubSessions
  • About Message Reliability
• About the JSONRTC Session Controller Messages
  • About Messages
  • About Acknowledgements and Error Messages
  • About the Message Components
• Control Headers
• General Headers
• Message Payloads
  • Providing Client Information as a Payload
  • Notification Payloads
• Example Message Bodies