3GPP 24.501 v20.0.0 — the document's own text
9.11.2.18 Service-level-AA service status indication
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 Service-level-AA service status indication information element is to provide an indication of the service availability to the UE.
The Service-level-AA service status indication information element is coded as shown in figure 9.11.2.18.1 and table 9.11.2.18.1.
The Service-level-AA service status indication information element is a type 4 information element with a length of 3 octets.
| 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | ||
|---|---|---|---|---|---|---|---|---|---|
| Service-level-AA service status indication IEI | octet 1 | ||||||||
| Length of Service-level-AA service status indication | octet 2 | ||||||||
| 0Spare | 0Spare | 0Spare | 0Spare | 0Spare | 0Spare | 0Spare | 0Spare | UAS | octet 3 |
Figure 9.11.2.18.1: Service-level-AA-service-status indication information element
Table 9.11.2.18.1: Service-level-AA-service-status indication information element
| UAS (octet 3, bit 1) | |
|---|---|
| Bit | |
| 1 | |
| 0 | UAS services not enabled |
| 1 | UAS services enabled |
| Bits 2 to 8 of octet 3 are spare and shall be encoded as zero. |