The "3GPP-Update-VCSG-Location-Answer" Diameter command code
The "3GPP-Update-VCSG-Location-Answer" Diameter command uses the command code "8388638".
It has the PXY bit.
It is part of the 3GPP S7a application.
It is defined in the 3GPP TS 29.272: Evolved Packet System (EPS); Mobility Management Entity (MME) and Serving GPRS Support Node (SGSN) related interfaces based on Diameter protocol 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 | Optional (up to 1) |
| 268 | Result-Code | Enumerated | Optional (up to 1) |
| 297 | Experimental-Result | Grouped | Optional (up to 1) |
| 1614 | Error-Diagnostic | Enumerated | Optional (up to 1) |
| 277 | Auth-Session-State | Enumerated | Required (1) |
| 264 | Origin-Host | DiameterIdentity | Required (1) |
| 296 | Origin-Realm | DiameterIdentity | Required (1) |
| 628 | Supported-Features | Grouped | Optional |
| 1641 | VPLMN-CSG-Subscription-Data | Grouped | Optional |
| 1640 | UVA-Flags | Unsigned32 | Optional (up to 1) |
| 279 | Failed-AVP | Grouped | Optional (up to 1) |
| 284 | Proxy-Info | Grouped | Optional |
| 282 | Route-Record | DiameterIdentity | Optional |
< 3GPP-Update-VCSG-Location-Answer > ::= < Diameter-Header: 8388638, PXY, 16777308 >
< Session-Id >
[ DRMP ]
[ Vendor-Specific-Application-Id ]
[ Result-Code ]
[ Experimental-Result ]
[ Error-Diagnostic ]
{ Auth-Session-State }
{ Origin-Host }
{ Origin-Realm }
* [ Supported-Features ]
* [ VPLMN-CSG-Subscription-Data ]
[ UVA-Flags ]
[ Failed-AVP ]
* [ Proxy-Info ]
* [ Route-Record ]
| Update source | Insertion date |
|---|---|
| 3GPP | 2026-04-26 07:12 |
| Wireshark | 2026-04-26 07:12 |