The "Multimedia-Authentication-Request" Diameter command code
The "Multimedia-Authentication-Request" Diameter command is defined by and uses the command code "303".
It has the REQ and PXY bits.
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) |
| 277 | Auth-Session-State | Enumerated | Required (1) |
| 264 | Origin-Host | DiameterIdentity | Required (1) |
| 296 | Origin-Realm | DiameterIdentity | Required (1) |
| 283 | Destination-Realm | DiameterIdentity | Required (1) |
| 293 | Destination-Host | DiameterIdentity | Optional (up to 1) |
| 1 | User-Name | UTF8String | Optional (up to 1) |
| 61 | NAS-Port-Type | Enumerated | Required (1) |
| 601 | Public-Identity | UTF8String | Optional (up to 1) |
| 376 | SIP-Auth-Data-Item | Grouped | Optional (up to 1) |
| 1032 | RAT-Type | Enumerated | Optional (up to 1) |
| 409 | GUSS-Timestamp | Time | Optional (up to 1) |
| 1503 | AN-Trusted | Enumerated | Optional (up to 1) |
| 1504 | ANID | UTF8String | Optional (up to 1) |
| 612 | 3GPP-SIP-Auth-Data-Item | Grouped | Required (1) |
| 284 | Proxy-Info | Grouped | Optional |
| 600 | Visited-Network-Identifier | OctetStringOrUTF8 | Optional (up to 1) |
| 607 | 3GPP-SIP-Number-Auth-Items | Unsigned32 | Required (1) |
| 282 | Route-Record | DiameterIdentity | Optional |
| 1401 | Terminal-Information | Grouped | Optional (up to 1) |
| 602 | Server-Name | UTF8String | Required (1) |
| 382 | SIP-Number-Auth-Items | Unsigned32 | Required (1) |
| 1518 | AAA-Failure-Indication | Unsigned32 | Optional (up to 1) |
| 621 | OC-Supported-Features | Grouped | Optional (up to 1) |
| 628 | Supported-Features | Grouped | Optional |
< Multimedia-Authentication-Request > ::= < Diameter-Header: 303, REQ, PXY >
< Session-Id >
{ Vendor-Specific-Application-Id }
[ DRMP ]
{ Auth-Session-State }
{ Origin-Host }
{ Origin-Realm }
{ Destination-Realm }
[ Destination-Host ]
[ User-Name ]
{ NAS-Port-Type }
[ Public-Identity ]
[ SIP-Auth-Data-Item ]
[ RAT-Type ]
[ GUSS-Timestamp ]
[ AN-Trusted ]
[ ANID ]
{ 3GPP-SIP-Auth-Data-Item }
* [ Proxy-Info ]
[ Visited-Network-Identifier ]
{ 3GPP-SIP-Number-Auth-Items }
* [ Route-Record ]
[ Terminal-Information ]
{ Server-Name }
{ SIP-Number-Auth-Items }
[ AAA-Failure-Indication ]
[ OC-Supported-Features ]
* [ Supported-Features ]
| Update source | Insertion date |
|---|---|
| 3GPP | 2026-04-26 07:12 |
| 3GPP | 2026-04-26 07:12 |
| Wireshark | 2026-04-26 07:12 |