The "User-Authorization-Request" Diameter command code
The "User-Authorization-Request" Diameter command is defined by and uses the command code "300".
It has the REQ and PXY bits.
It is part of the 3GPP Cx application.
It is defined in the 3GPP TS 29.229: Cx and Dx interfaces based on the Diameter protocol; Protocol details specification.
It contains the following AVPs:
| AVP code | AVP name | AVP type | AVP requirement |
|---|---|---|---|
| 263 | Session-Id | UTF8String | Fixed (1) |
| 301 | DRMP | Enumerated | Optional (up to 1) |
| 260 | Vendor-Specific-Application-Id | Grouped | Required (1) |
| 277 | Auth-Session-State | Enumerated | Required (1) |
| 264 | Origin-Host | DiameterIdentity | Required (1) |
| 296 | Origin-Realm | DiameterIdentity | Required (1) |
| 293 | Destination-Host | DiameterIdentity | Optional (up to 1) |
| 283 | Destination-Realm | DiameterIdentity | Required (1) |
| 1 | User-Name | UTF8String | Required (1) |
| 621 | OC-Supported-Features | Grouped | Optional (up to 1) |
| 628 | Supported-Features | Grouped | Optional |
| 601 | Public-Identity | UTF8String | Required (1) |
| 600 | Visited-Network-Identifier | OctetStringOrUTF8 | Required (1) |
| 623 | User-Authorization-Type | Enumerated | Optional (up to 1) |
| 637 | UAR-Flags | Unsigned32 | Optional (up to 1) |
| 284 | Proxy-Info | Grouped | Optional |
| 282 | Route-Record | DiameterIdentity | Optional |
< User-Authorization-Request > ::= < Diameter-Header: 300, REQ, PXY, 16777216 >
< Session-Id >
[ DRMP ]
{ Vendor-Specific-Application-Id }
{ Auth-Session-State }
{ Origin-Host }
{ Origin-Realm }
[ Destination-Host ]
{ Destination-Realm }
{ User-Name }
[ OC-Supported-Features ]
* [ Supported-Features ]
{ Public-Identity }
{ Visited-Network-Identifier }
[ User-Authorization-Type ]
[ UAR-Flags ]
* [ Proxy-Info ]
* [ Route-Record ]
| Update source | Insertion date |
|---|---|
| 3GPP | 2026-04-26 07:12 |
| Wireshark | 2026-04-26 07:12 |