The Diameter Charging SDK makes it possible for you to handle realtime charging of content, services and applications deployed in the operator-controlled domain (i.e. within the walled garden).

The Diameter Charging SDK is developed to support high performance client applications. Its structure is modular to allow incremental additions of Diameter features as market requirements dictate.

The Diameter Charging SDK includes the following:
- Diameter Charging API
- Diameter Charging Emulator
- Diameter Charging Client
- Documentation



The Diameter Charging API is the programming interface used for exchanging Diameter application operations with the charging solution. The API isolates the core protocol implementation and allows the application to use the Diameter interface with operations that are relevant to the application. You do not have to worry about details regarding transport protocols, network addressing and so on. Security functionality is neither provided nor used by the Diameter Charging API.

The Diameter Charging Emulator application is a charging system emulator. It responds to Diameter Service Charging requests as if they are from a real Charging Server. The Charging Server contains the users-accounts. These accounts can be accessed by a rating function in order to deduct the correct amount of money when a consumer uses as service.

The Diameter Charging Client is a reference application that uses the Diameter Charging API. It is used for setting up connections to Diameter servers that support the Diameter protocol. It is possible to insert data and send requests and receive answers. The Diameter Charging Client is configured through a form that is filled out with data for each request and sent to a Charging Server supporting the Diameter protocol. The Diameter Charging Client supports batch handling of charging commands, requests and answers.

The Documentation is in HTML format. It consists of an Installation Instruction and User's Guides for the API and the applications.

Diameter Charging video guides you through the SDK

- The first presentation in the webcast will give you an overview of what different parts are included and an overview of the solutions we have chosen.
- The second presentation is more detailed and it handles our Test Client application on a menu basis and presents what you can do and how to use it to gain knowledge about Service Charging Application Protocol.
- The third presentation is on our Diameter Emulator, that emulates our PPS Charging System behavior, and how you can use it to interact with your own applications. You will also learn that it can be of assistance when doing a demo of your application for an operator/network owner.
- The fourth presentation is an example where we demonstrate how the Diameter Client and Diameter Emulator interact with each other to show how your applications could interact with our system. 

Some of the changes made in the D31E release

• Improvements of log files
• Emulator updated
• Added a new class to the test server
• New text fields, labels and checkboxes have been added to test environment

Read more about the changes in the History.txt file in the SDK.