3GPP 24.501 v20.0.0 — the document's own text
9.11.4.11 PDU session 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 PDU session type information element is to indicate type of the PDU session.
The PDU session type information element is coded as shown in figure 9.11.4.11.1 and table 9.11.4.11.1.
The PDU session type is a type 1 information element.
| 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
|---|---|---|---|---|---|---|---|---|
| PDU session type IEI | 0Spare | PDU session type value | octet 1 |
Figure 9.11.4.11.1: PDU session type information element
Table 9.11.4.11.1: PDU session type information element
| PDU session type value (octet 1, bit 1 to bit 3) | ||||
|---|---|---|---|---|
| Bits | ||||
| 3 | 2 | 1 | ||
| 0 | 0 | 1 | IPv4 | |
| 0 | 1 | 0 | IPv6 | |
| 0 | 1 | 1 | IPv4v6 | |
| 1 | 0 | 0 | Unstructured | |
| 1 | 0 | 1 | Ethernet | |
| 1 | 1 | 1 | reserved | |
| All other values are unused and shall be interpreted as "IPv4v6", if received by the UE or the network. |