Contents

Title and Copyright Information

Preface

• Audience
• Related Documents
• Documentation Accessibility

1 Using the Diameter Base Protocol API

• Overview of Diameter Protocol Support
• Overview of the Diameter API
  • File Required for Compiling Application Using the Diameter API
• Working with Diameter Nodes
• Implementing a Diameter Application
• Working with Diameter Sessions
• Working with Diameter Messages
  • Sending Request Messages
  • Sending Answer Messages
  • Creating New Command Codes
• Working with AVPs
  • Creating New Attributes
• Creating Converged Diameter and SIP Applications

2 Using the Diameter Sh Interface Application

• Overview of Profile Service API and Sh Interface Support
• Enabling the Sh Interface Provider
• Overview of the Profile Service API
• Creating a Document Selector Key for Application-Managed Profile Data
• Using a Constructed Document Key to Manage Profile Data
• Monitoring Profile Data with ProfileListener
  • Prerequisites for Listener Implementations
  • Implementing ProfileListener

3 Using the Diameter Rf Interface Application for Offline Charging

• Overview of Rf Interface Support
• Understanding Offline Charging Events
  • Event-Based Charging
  • Session-Based Charging
• Configuring the Rf Application
• Using the Offline Charging API
  • Accessing the Rf Application
  • Implementing Session-Based Charging
    • Specifying the Session Expiration
    • Sending Asynchronous Events
  • Implementing Event-Based Charging
  • Using the Accounting Session State

4 Using the Diameter Ro Interface API for Online Charging

• Overview of Ro Interface Support
• Understanding Credit Authorization Models
  • Credit Authorization with Unit Determination
  • Credit Authorization with Direct Debiting
  • Determining Units and Rating
• Configuring the Ro Application
• Overview of the Online Charging API
• Accessing the Ro Application
• Implementing Session-Based Charging
  • Handling Re-Auth-Request Messages
• Sending Credit-Control-Request Messages
• Handling Failures