3GPP 24.501 v20.0.0 — the document's own text
8.2.22.1 Message definition
Taught in 4. Inside TS 24.501, the document at the centre (CT1 — the group that writes what your phone says, overview).
The IDENTITY RESPONSE message is sent by the UE to the AMF to provide the requested identity. See table 8.2.22.1.
Message type: IDENTITY RESPONSE
Significance: dual
Direction: UE to AMF
Table 8.2.22.1.1: IDENTITY RESPONSE message content
| IEI | Information Element | Type/Reference | Presence | Format | Length |
|---|---|---|---|---|---|
| Extended protocol discriminator | Extended protocol discriminator9.2 | M | V | 1 | |
| Security header type | Security header type9.3 | M | V | 1/2 | |
| Spare half octet | Spare half octet9.5 | M | V | 1/2 | |
| Identity response message identity | Message type9.7 | M | V | 1 | |
| Mobile identity | 5GS mobile identity9.11.3.4 | M | LV-E | 3-n |