3GPP 24.501 v20.0.0 — the document's own text
9.11.4.5 Allowed SSC mode
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 Allowed SSC mode information element is to indicate the SSC modes allowed to be used by the UE for the PDU session.
The Allowed SSC mode information element is coded as shown in figure 9.11.4.5.1 and table 9.11.4.5.1.
The Allowed SSC mode is a type 1 information element.
| 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
|---|---|---|---|---|---|---|---|---|
| Allowed SSC mode IEI | 0Spare | SSC3 | SSC2 | SSC1 | octet 1 |
Figure 9.11.4.5.1: Allowed SSC mode information element
Table 9.11.4.5.1: Allowed SSC mode information element
| SSC1 (octet 1, bit 1) | |
|---|---|
| Bit | |
| 1 | |
| 0 | SSC mode 1 not allowed |
| 1 | SSC mode 1 allowed |
| SSC2 (octet 1, bit 2) | |
| Bit | |
| 2 | |
| 0 | SSC mode 2 not allowed |
| 1 | SSC mode 2 allowed |
| SSC3 (octet 1, bit 3) | |
| Bit | |
| 3 | |
| 0 | SSC mode 3 not allowed |
| 1 | SSC mode 3 allowed |
| Bit 4 is spare and shall be encoded as zero. |