9.8 Message type
24.3013GPPNon-Access-Stratum (NAS) protocol for Evolved Packet System (EPS)Release 18Stage 3TS
The message type IE and its use are defined in 3GPP TS 24.007 [12]. Tables 9.8.1 and 9.8.2 define the value part of the message type IE used in the EPS mobility management protocol and EPS session management protocol.
Table 9.8.1: Message types for EPS mobility management
|
Bits |
|||||||||
|
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
||
|
0 |
1 |
– |
– |
– |
– |
– |
– |
EPS mobility management messages |
|
|
0 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
Attach request |
|
|
0 |
1 |
0 |
0 |
0 |
0 |
1 |
0 |
Attach accept |
|
|
0 |
1 |
0 |
0 |
0 |
0 |
1 |
1 |
Attach complete |
|
|
0 |
1 |
0 |
0 |
0 |
1 |
0 |
0 |
Attach reject |
|
|
0 |
1 |
0 |
0 |
0 |
1 |
0 |
1 |
Detach request |
|
|
0 |
1 |
0 |
0 |
0 |
1 |
1 |
0 |
Detach accept |
|
|
0 |
1 |
0 |
0 |
1 |
0 |
0 |
0 |
Tracking area update request |
|
|
0 |
1 |
0 |
0 |
1 |
0 |
0 |
1 |
Tracking area update accept |
|
|
0 |
1 |
0 |
0 |
1 |
0 |
1 |
0 |
Tracking area update complete |
|
|
0 |
1 |
0 |
0 |
1 |
0 |
1 |
1 |
Tracking area update reject |
|
|
0 |
1 |
0 |
0 |
1 |
1 |
0 |
0 |
Extended service request |
|
|
0 |
1 |
0 |
0 |
1 |
1 |
0 |
1 |
Control plane service request |
|
|
0 |
1 |
0 |
0 |
1 |
1 |
1 |
0 |
Service reject |
|
|
0 |
1 |
0 |
0 |
1 |
1 |
1 |
1 |
Service accept |
|
|
0 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
GUTI reallocation command |
|
|
0 |
1 |
0 |
1 |
0 |
0 |
0 |
1 |
GUTI reallocation complete |
|
|
0 |
1 |
0 |
1 |
0 |
0 |
1 |
0 |
Authentication request |
|
|
0 |
1 |
0 |
1 |
0 |
0 |
1 |
1 |
Authentication response |
|
|
0 |
1 |
0 |
1 |
0 |
1 |
0 |
0 |
Authentication reject |
|
|
0 |
1 |
0 |
1 |
1 |
1 |
0 |
0 |
Authentication failure |
|
|
0 |
1 |
0 |
1 |
0 |
1 |
0 |
1 |
Identity request |
|
|
0 |
1 |
0 |
1 |
0 |
1 |
1 |
0 |
Identity response |
|
|
0 |
1 |
0 |
1 |
1 |
1 |
0 |
1 |
Security mode command |
|
|
0 |
1 |
0 |
1 |
1 |
1 |
1 |
0 |
Security mode complete |
|
|
0 |
1 |
0 |
1 |
1 |
1 |
1 |
1 |
Security mode reject |
|
|
0 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
EMM status |
|
|
0 |
1 |
1 |
0 |
0 |
0 |
0 |
1 |
EMM information |
|
|
0 |
1 |
1 |
0 |
0 |
0 |
1 |
0 |
Downlink NAS transport |
|
|
0 |
1 |
1 |
0 |
0 |
0 |
1 |
1 |
Uplink NAS transport |
|
|
0 |
1 |
1 |
0 |
0 |
1 |
0 |
0 |
CS Service notification |
|
|
0 |
1 |
1 |
0 |
1 |
0 |
0 |
0 |
Downlink generic NAS transport |
|
|
0 |
1 |
1 |
0 |
1 |
0 |
0 |
1 |
Uplink generic NAS transport |
|
Table 9.8.2: Message types for EPS session management
|
Bits |
|||||||||
|
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
||
|
1 |
1 |
– |
– |
– |
– |
– |
– |
EPS session management messages |
|
|
1 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
Activate default EPS bearer context request |
|
|
1 |
1 |
0 |
0 |
0 |
0 |
1 |
0 |
Activate default EPS bearer context accept |
|
|
1 |
1 |
0 |
0 |
0 |
0 |
1 |
1 |
Activate default EPS bearer context reject |
|
|
1 |
1 |
0 |
0 |
0 |
1 |
0 |
1 |
Activate dedicated EPS bearer context request |
|
|
1 |
1 |
0 |
0 |
0 |
1 |
1 |
0 |
Activate dedicated EPS bearer context accept |
|
|
1 |
1 |
0 |
0 |
0 |
1 |
1 |
1 |
Activate dedicated EPS bearer context reject |
|
|
1 |
1 |
0 |
0 |
1 |
0 |
0 |
1 |
Modify EPS bearer context request |
|
|
1 |
1 |
0 |
0 |
1 |
0 |
1 |
0 |
Modify EPS bearer context accept |
|
|
1 |
1 |
0 |
0 |
1 |
0 |
1 |
1 |
Modify EPS bearer context reject |
|
|
1 |
1 |
0 |
0 |
1 |
1 |
0 |
1 |
Deactivate EPS bearer context request |
|
|
1 |
1 |
0 |
0 |
1 |
1 |
1 |
0 |
Deactivate EPS bearer context accept |
|
|
1 |
1 |
0 |
1 |
0 |
0 |
0 |
0 |
PDN connectivity request |
|
|
1 |
1 |
0 |
1 |
0 |
0 |
0 |
1 |
PDN connectivity reject |
|
|
1 |
1 |
0 |
1 |
0 |
0 |
1 |
0 |
PDN disconnect request |
|
|
1 |
1 |
0 |
1 |
0 |
0 |
1 |
1 |
PDN disconnect reject |
|
|
1 |
1 |
0 |
1 |
0 |
1 |
0 |
0 |
Bearer resource allocation request |
|
|
1 |
1 |
0 |
1 |
0 |
1 |
0 |
1 |
Bearer resource allocation reject |
|
|
1 |
1 |
0 |
1 |
0 |
1 |
1 |
0 |
Bearer resource modification request |
|
|
1 |
1 |
0 |
1 |
0 |
1 |
1 |
1 |
Bearer resource modification reject |
|
|
1 |
1 |
0 |
1 |
1 |
0 |
0 |
1 |
ESM information request |
|
|
1 |
1 |
0 |
1 |
1 |
0 |
1 |
0 |
ESM information response |
|
|
1 |
1 |
0 |
1 |
1 |
0 |
1 |
1 |
Notification |
|
|
1 |
1 |
0 |
1 |
1 |
1 |
0 |
0 |
ESM dummy message |
|
|
1 |
1 |
1 |
0 |
1 |
0 |
0 |
0 |
ESM status |
|
|
1 |
1 |
1 |
0 |
1 |
0 |
0 |
1 |
Remote UE report |
|
|
1 |
1 |
1 |
0 |
1 |
0 |
1 |
0 |
Remote UE report response |
|
|
1 |
1 |
1 |
0 |
1 |
0 |
1 |
1 |
ESM data transport |
|