3GPP 24.501 v20.0.0 — the document's own text
8.2.10.1 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 UL NAS TRANSPORT message transports message payload and associated information to the AMF. See table 8.2.10.1.1.
Message type: UL NAS TRANSPORT
Significance: dual
Direction: UE to network
Table 8.2.10.1.1: UL NAS TRANSPORT 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 | |
| UL NAS TRANSPORT message identity | Message type9.7 | M | V | 1 | |
| Payload container type | Payload container type9.11.3.40 | M | V | 1/2 | |
| Spare half octet | Spare half octet9.5 | M | V | 1/2 | |
| Payload container | Payload container9.11.3.39 | M | LV-E | 3-65537 | |
| 12 | PDU session ID | PDU session identity 29.11.3.41 | C | TV | 2 |
| 59 | Old PDU session ID | PDU session identity 29.11.3.41 | O | TV | 2 |
| 8- | Request type | Request type9.11.3.47 | O | TV | 1 |
| 22 | S-NSSAI | S-NSSAI9.11.2.8 | O | TLV | 3-10 |
| 25 | DNN | DNN9.11.2.1B | O | TLV | 3-102 |
| 24 | Additional information | Additional information9.11.2.1 | O | TLV | 3-n |
| A- | MA PDU session information | MA PDU session information9.11.3.31A | O | TV | 1 |
| F- | Release assistance indication | Release assistance indication9.11.3.46A | O | TV | 1 |
| 4E | Non-3GPP access path switching indication | Non-3GPP access path switching indication9.11.3.99 | O | TLV | 3 |
| 5A | Alternative S-NSSAI | S-NSSAI9.11.2.8 | O | TLV | 3-10 |
| 9- | Payload container information | Payload container information9.11.3.106 | O | TV | 1 |