3GPP 24.501 v20.0.0 — the document's own text
9.11.3.3 5GS identity type
Taught in 4. Inside TS 24.501, the document at the centre (CT1 — the group that writes what your phone says, overview).
The purpose of the 5GS identity type information element is to specify which identity is requested.
The 5GS identity type is a type 1 information element.
The 5GS identity type information element is coded as shown in figure 9.11.3.3.1 and table 9.11.3.3.1.
| 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
|---|---|---|---|---|---|---|---|---|
| 5GS identity typeIEI | 0spare | Type ofidentity | octet 1 |
Figure 9.11.3.3.1: 5GS identity type information element
Table 9.11.3.3.1: 5GS identity type information element
| Type of identity (octet 1) | ||||
|---|---|---|---|---|
| Bits | ||||
| 3 | 2 | 1 | ||
| 0 | 0 | 1 | SUCI | |
| 0 | 1 | 0 | 5G-GUTI | |
| 0 | 1 | 1 | IMEI | |
| 1 | 0 | 0 | 5G-S-TMSI | |
| 1 | 0 | 1 | IMEISV | |
| 1 | 1 | 0 | MAC address | |
| 1 | 1 | 1 | EUI-64 | |
| All other values are unused and shall be interpreted as "SUCI", if received by the UE. |