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MATRIXX Diameter Integration
Diameter Gateway
The following information describes the Diameter Gateway.
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.
Accounting
This section lists the Accounting application AVPs by command name. For more information, see the 3GPP Specification.
Accounting Command Answer
This section describes the Accounting application Accounting command Answer AVPs.

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MATRIXX Diameter Integration
- About MATRIXX Diameter Integration
  MATRIXX Diameter Integration provides information about MATRIXX Engine Diameter support and configuration.
- Diameter Gateway
  The following information describes the Diameter Gateway.
  - Diameter Gateway Overview
    Diameter Gateway is a Diameter server that allows communication between MATRIXX Engine and a network entity requesting service through the Diameter protocol.
  - Diameter Gateway Support for 5G Non-Standalone Architecture
    MATRIXX supports 5G Non-Standalone Architecture deployments by including extended fields for 5G RAN in Gx messages to enable the high-bandwidth data flows available in 5G networks.
  - 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.
    - Common
      This section lists the Common application AVPs by command name. For more information, see the 3GPP Specification.
    - NASREQ
      This section lists the Network Access Server Requirements (NASREQ) application AVPs by command name. For more information, see the 3GPP Specification.
    - Accounting
      This section lists the Accounting application AVPs by command name. For more information, see the 3GPP Specification.
      - Accounting Command Request
        This section describes the Accounting application Accounting command Request AVPs.
      - Accounting Command Answer
        This section describes the Accounting application Accounting command Answer AVPs.
    - Credit-Control
      This section lists the Credit-Control application AVPs by command name. For more information, see the 3GPP Specification.
    - DiameterWrappedMDC
      This section lists the DiameterWrappedMDC application AVPs by command name.
    - Diameter AVPs for MATRIXX Policy Application
      MATRIXX Engine supports the Sy and Gx interfaces for policy control.
  - Configuring the Diameter Protocol
    You can configure and customize the Diameter Dictionary and the Diameter protocol.
  - Working with the Diameter Protocol
    The Diameter protocol is comprised of two basic parts: the Diameter Base Protocol and Diameter applications.
  - Handling VoLTE Announcements
    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.
- External Diameter Gateway
  The following information describes External Diameter Gateway (EDGW).
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Glossary

Accounting Command Answer

This section describes the Accounting application Accounting command Answer AVPs.

Command details:

Command name: Accounting
Code: 271
Proxiable: True
MDC name:MtxDiamRoMsg

Note: Unless otherwise noted, all AVPs are required and the maximum occurrence is "1".

Table 1. Accounting Answer
AVP Name	AVP Code	MDC Field Name (Struct Name)	Description
Session-Id	263	SessionId
Accounting-Record-Number	485	SessionMsgId
Accounting-Record-Type	480	Op	See the discussion about Diameter accounting record types
Origin-Host	264	SourceHost
Origin-Realm	296	SourceRealm
Result-Code	268	DiamResult	Success Codes 2001 DIAMETER_SUCCESS Failure Result Codes 3001 COMMAND_UNSUPPORTED 3002 UNABLE_TO_DELIVER 3008 INVALID_HDR_BITS 4002 OUT_OF_SPACE 4010 END_USER_SERVICE_DENIED 5002 UNKNOWN_SESSION_ID 5004 DIAMETER_INVALID_AVP_VALUE 5005 MISSING_AVP 5009 AVP_OCCURS_TOO_MANY_TIMES 5012 DIAMETER_UNABLE_TO_COMPLY 5014 DIAMETER_INVALID_AVP_LENGTH 5015 DIAMETER_INVALID_MESSAGE_LENGTH
Acct-Application-Id	259	ApplicationId
Acct-Interim-Interval	85	InterimInterval
Error-Reporting-Host	294	ResultReportingHost
Event-Timestamp	55	EventTime	See the discussion about Diameter usage start time.
Experimental-Result	297
-- Experimental-Result-Code	298
Origin-State-Id	278	SourceStateId
Proxy-Info	284	ProxyInfoList (MtxDiamProxyInfoData)	Maximum occurs = 256
-- Proxy-Host	280	-- ProxyHost
-- Proxy-State	33	-- ProxyState
User-Name	1	SubscriberName
Failed-AVP	279		Maximum occurs = 256
Error-Message	281	ResultText