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MATRIXX Diameter Integration
Configuring the Diameter Protocol
You can configure and customize the Diameter Dictionary and the Diameter protocol.

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MATRIXX Diameter Integration
- About Diameter Integration
  Diameter Integration provides information about the MATRIXX Engine Diameter support and configuration.
- Diameter Gateway
  The Diameter Gateway is a Diameter server that allows communication between the _glossary/matrixx_engine.html and a network entity requesting service through the Diameter protocol.
- Supported AVPs
  The MATRIXX Diameter Dictionary is defined in the diameter_dictionary.xml file and contains definitions for the Diameter AVPs, functions, and Diameter-to-MDC mappings implemented in MATRIXX Engine.
- Configuring the Diameter Protocol
  You can configure and customize the Diameter Dictionary and the Diameter protocol.
  - Diameter Protocol Configuration
    You can use the configuration parameters in create_config.py to configure the Diameter protocol implementation.
  - Decoding Diameter AVPs
    Most Diameter AVPs represent one field and its value. However, some AVPs represent multiple fields. For example, the 3GPP-User-Location-Info AVP is defined as an octet string that has many fields encoded in it. The Diameter Gateway can automatically decode specific encoded AVPs that contain more than one field.
  - Extending the Diameter Dictionary
    The MATRIXX Diameter Dictionary (diameter_dictionary.xml) specifies the Diameter message format and accounting services used by the Diameter applications supported by the MATRIXX Engine. The specification also defines the Diameter applications, packets, AVPs, functions, AVP-to-MDC mappings, and other Diameter configurations for MATRIXX.
  - Extending Session Objects
    Service providers can extend charging and policy session MDCs to contain additional fields to hold provider-specific information. Fields can be added from the network message to the session to be used as the basis of normalizations during rating and policy calculations.
  - Using Selective Updates
    Selective updates are commands that manipulate message contents at specific processing points as a message progresses through the MATRIXX Engine. They cause the system to selectively-update an MDC and perform basic transformations on the contained data.
- Working with the Diameter Protocol
  The Diameter protocol is comprised of two basic parts: the Diameter Base Protocol and Diameter applications.
- Support for Handling VoLTE Announcements
  The MATRIXX Engine can return Voice over Long-Term Evolution (VoLTE) Announcement-Information AVPs for Diameter LTE (Long-Term Evolution) sessions. The AVPs define the list of pre-quota announcements to play to the subscriber using VoLTE technology.
- Handling Diameter Errors
  Errors with the Diameter protocol fall into two categories: protocol errors and application errors.
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Configuring the Diameter Protocol

You can configure and customize the Diameter Dictionary and the Diameter protocol.