3GPP 24.501 v20.0.0 — the document's own text
8.2.30.1 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 CONTROL PLANE SERVICE REQUEST message is sent by the UE to the AMF when the UE is using 5GS services with control plane CIoT 5GS optimization. See table 8.2.30.1.1.
Message type: CONTROL PLANE SERVICE REQUEST
Significance: dual
Direction: UE to network
Table 8.2.30.1.1: CONTROL PLANE SERVICE REQUEST message content
| IEI | Information Element | Type/Reference | Presence | Format | Length |
|---|---|---|---|---|---|
| Extended protocol discriminator | Extended protocol discriminator9.2 | M | V | 1 | |
| Security header type | Security header type9.3 | M | V | 1/2 | |
| Spare half octet | Spare half octet9.5 | M | V | 1/2 | |
| Control plane service request message identity | Message type9.7 | M | V | 1 | |
| Control plane service type | Control plane service type9.11.3.18D | M | V | 1/2 | |
| ngKSI | NAS key set identifier9.11.3.32 | M | V | 1/2 | |
| 6F | CIoT small data container | CIoT small data container9.11.3.18B | O | TLV | 4-257 |
| 8- | Payload container type | Payload container type9.11.3.40 | O | TV | 1 |
| 7B | Payload container | Payload container9.11.3.39 | O | TLV-E | 4-65538 |
| 12 | PDU session ID | PDU session identity 29.11.3.41 | C | TV | 2 |
| 50 | PDU session status | PDU session status9.11.3.44 | O | TLV | 4-34 |
| F- | Release assistance indication | Release assistance indication9.11.3.46A | O | TV | 1 |
| 40 | Uplink data status | Uplink data status9.11.3.57 | O | TLV | 4-34 |
| 71 | NAS message container | NAS message container9.11.3.33 | O | TLV-E | 4-n |
| 24 | Additional information | Additional information9.11.2.1 | O | TLV | 3-n |
| 25 | Allowed PDU session status | Allowed PDU session status9.11.3.13 | O | TLV | 4-34 |
| 29 | UE request type | UE request type9.11.3.76 | O | TLV | 3 |
| 28 | Paging restriction | Paging restriction9.11.3.77 | O | TLV | 3-35 |