3GPP 24.501 v20.0.0 — the document's own text
8.3.12.1 Message definition
Taught in 4. Inside TS 24.501, the document at the centre (CT1 — the group that writes what your phone says, overview).
The PDU SESSION RELEASE REQUEST message is sent by the UE to the SMF to request a release of a PDU session. See table 8.3.12.1.1.
Message type: PDU SESSION RELEASE REQUEST
Significance: dual
Direction: UE to network
Table 8.3.12.1.1: PDU SESSION RELEASE REQUEST message content
| IEI | Information Element | Type/Reference | Presence | Format | Length |
|---|---|---|---|---|---|
| Extended protocol discriminator | Extended protocol discriminator9.2 | M | V | 1 | |
| PDU session ID | PDU session identity9.4 | M | V | 1 | |
| PTI | Procedure transaction identity9.6 | M | V | 1 | |
| PDU SESSION RELEASE REQUEST message identity | Message type9.7 | M | V | 1 | |
| 59 | 5GSM cause | 5GSM cause9.11.4.2 | O | TV | 2 |
| 7B | Extended protocol configuration options | Extended protocol configuration options9.11.4.6 | O | TLV-E | 4-65538 |