The "Group-User-Identifier" AVP
The "Group-User-Identifier" Diameter AVP, which is of type Grouped, is defined by 3GPP (vendor ID 10415) and uses the AVP code "3177".
It is part of the NIDD-Information-Request, NIDD-Information-Answer commands.
It is a grouped AVP, which can hold the following nested AVPs:
| AVP code | AVP name | AVP type | AVP requirement |
|---|---|---|---|
| 1 | User-Name | UTF8String | |
| 701 | MSISDN | OctetString | |
| 3111 | External-Identifier | UTF8String |
< Group-User-Identifier > ::= < AVP-Header: 3177, 10415 > * [ User-Name ] * [ MSISDN ] * [ External-Identifier ]
| Update source | Insertion date |
|---|---|
| Wireshark | 2026-04-26 07:13 |
diameter-db