3GPP 24.501 v20.0.0 — the document's own text
9.11.3.6 5GS registration result
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 registration result information element is to specify the result of a registration procedure.
The 5GS registration result information element is coded as shown in figure 9.11.3.6.1 and table 9.11.3.6.1.
The 5GS registration result is a type 4 information element with a length of 3 octets.
| 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
|---|---|---|---|---|---|---|---|---|
| 5GS registration result IEI | octet 1 | |||||||
| Length of 5GS registration result contents | octet 2 | |||||||
| 0Spare | Disaster roaming registration result value | Emergency registered | NSSAA Performed | SMS allowed | 5GS registration result value | octet 3 |
Figure 9.11.3.6.1: 5GS registration result information element
Table 9.11.3.6.1: 5GS registration result information element
| 5GS registration result value (octet 3, bits 1 to 3) (NOTE) | ||||
|---|---|---|---|---|
| Bits | ||||
| 3 | 2 | 1 | ||
| 0 | 0 | 1 | 3GPP access | |
| 0 | 1 | 0 | Non-3GPP access | |
| 0 | 1 | 1 | 3GPP access and non-3GPP access | |
| 1 | 1 | 1 | reserved | |
| All other values are unused and shall be treated as "3GPP access", if received by the UE. | ||||
| SMS over NAS transport allowed (SMS allowed) (octet 3, bit 4) (NOTE) | ||||
| Bit | ||||
| 4 | ||||
| 0 | SMS over NAS not allowed | |||
| 1 | SMS over NAS allowed | |||
| Network slice-specific authentication and authorization is to be performed (NSSAA to be performed) (octet 3, bit 5) (NOTE) | ||||
| Bit | ||||
| 5 | ||||
| 0 | Network slice-specific authentication and authorization is not to be performed | |||
| 1 | Network slice-specific authentication and authorization is to be performed | |||
| Emergency registered (octet 3, bit 6) | ||||
| Bit | ||||
| 6 | ||||
| 0 | Not registered for emergency services | |||
| 1 | Registered for emergency services | |||
| Disaster roaming registration result value (octet 3, bit 7) (NOTE) | ||||
| Bit | ||||
| 7 | ||||
| 0 | No additional information | |||
| 1 | Request for registration for disaster roaming service accepted as registration not for disaster roaming service | |||
| Bit 8 of octet 3 is spare and shall be coded as zero. | ||||
| NOTE: All bits other than bit 6 in octet 3 shall be ignored by the UE when the 5GS registration result IE is received in the CONFIGURATION UPDATE COMMAND message |