diameter-db

The "Multimedia-Authentication-Answer" Diameter command code

The "Multimedia-Authentication-Answer" Diameter command is defined by and uses the command code "303".

It has the PXY bit.

It is part of the 3GPP Zh, 3GPP SWx, 3GPP Wx, 3GPP Cx, 3GPP Zn, 3GPP Zpn, 3GPP STa, 3GPP SWm, 3GPP S6b, 3GPP Pr applications.

It is defined in the 3GPP TS 29.109: Generic Authentication Architecture (GAA); Zh and Zn Interfaces based on the Diameter protocol; Stage 3 specification.

It contains the following AVPs:

AVP code AVP name AVP type AVP requirement
263 Session-Id UTF8String Fixed (1)
260 Vendor-Specific-Application-Id Grouped Required (1)
301 DRMP Enumerated Optional (up to 1)
268 Result-Code Enumerated Optional (up to 1)
297 Experimental-Result Grouped Optional (up to 1)
277 Auth-Session-State Enumerated Required (1)
264 Origin-Host DiameterIdentity Required (1)
296 Origin-Realm DiameterIdentity Required (1)
1 User-Name UTF8String Optional (up to 1)
601 Public-Identity UTF8String Optional (up to 1)
376 SIP-Auth-Data-Item Grouped Optional (up to 1)
382 SIP-Number-Auth-Items Unsigned32 Optional (up to 1)
400 GBA-UserSecSettings OctetString Optional (up to 1)
318 3GPP-AAA-Server-Name DiameterIdentity Optional (up to 1)
650 Load Grouped Optional
621 OC-Supported-Features Grouped Optional (up to 1)
628 Supported-Features Grouped Optional
607 3GPP-SIP-Number-Auth-Items Unsigned32 Optional (up to 1)
284 Proxy-Info Grouped Optional
623 OC-OLR Grouped Optional (up to 1)
612 3GPP-SIP-Auth-Data-Item Grouped Optional
282 Route-Record DiameterIdentity Optional
279 Failed-AVP Grouped Optional (up to 1)
Its CCF definition is the following:
< Multimedia-Authentication-Answer > ::= < Diameter-Header: 303, PXY > 
< Session-Id >
{ Vendor-Specific-Application-Id }
[ DRMP ]
[ Result-Code ]
[ Experimental-Result ]
{ Auth-Session-State }
{ Origin-Host }
{ Origin-Realm }
[ User-Name ]
[ Public-Identity ]
[ SIP-Auth-Data-Item ]
[ SIP-Number-Auth-Items ]
[ GBA-UserSecSettings ]
[ 3GPP-AAA-Server-Name ]
* [ Load ]
[ OC-Supported-Features ]
* [ Supported-Features ]
[ 3GPP-SIP-Number-Auth-Items ]
* [ Proxy-Info ]
[ OC-OLR ]
* [ 3GPP-SIP-Auth-Data-Item ]
* [ Route-Record ]
[ Failed-AVP ]





Update source Insertion date
3GPP 2026-04-26 07:12
3GPP 2026-04-26 07:12
Wireshark 2026-04-26 07:12