9.7 Message type

24.5013GPPNon-Access-Stratum (NAS) protocol for 5G System (5GS)Release 17Stage 3TS

The Message type IE and its use are defined in 3GPP TS 24.007 [11]. Tables 9.7.1 and 9.7.2 define the value part of the message type IE used in the 5GS mobility management protocol and 5GS session management protocol.

Table 9.7.1: Message types for 5GS mobility management

Bits

8

7

6

5

4

3

2

1

0

1

5GS mobility management messages

0

1

0

0

0

0

0

1

Registration request

0

1

0

0

0

0

1

0

Registration accept

0

1

0

0

0

0

1

1

Registration complete

0

1

0

0

0

1

0

0

Registration reject

0

1

0

0

0

1

0

1

Deregistration request (UE originating)

0

1

0

0

0

1

1

0

Deregistration accept (UE originating)

0

1

0

0

0

1

1

1

Deregistration request (UE terminated)

0

1

0

0

1

0

0

0

Deregistration accept (UE terminated)

0

1

0

0

1

1

0

0

Service request

0

1

0

0

1

1

0

1

Service reject

0

1

0

0

1

1

1

0

Service accept

0

1

0

0

1

1

1

1

Control plane service request

0

1

0

1

0

0

0

0

Network slice-specific authentication command

0

1

0

1

0

0

0

1

Network slice-specific authentication complete

0

1

0

1

0

0

1

0

Network slice-specific authentication result

0

1

0

1

0

1

0

0

Configuration update command

0

1

0

1

0

1

0

1

Configuration update complete

0

1

0

1

0

1

1

0

Authentication request

0

1

0

1

0

1

1

1

Authentication response

0

1

0

1

1

0

0

0

Authentication reject

0

1

0

1

1

0

0

1

Authentication failure

0

1

0

1

1

0

1

0

Authentication result

0

1

0

1

1

0

1

1

Identity request

0

1

0

1

1

1

0

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

1

0

0

5GMM status

0

1

1

0

0

1

0

1

Notification

0

1

1

0

0

1

1

0

Notification response

0

1

1

0

0

1

1

1

UL NAS transport

0

1

1

0

1

0

0

0

DL NAS transport

Table 9.7.2: Message types for 5GS session management

Bits

8

7

6

5

4

3

2

1

1

1

5GS session management messages

1

1

0

0

0

0

0

1

PDU session establishment request

1

1

0

0

0

0

1

0

PDU session establishment accept

1

1

0

0

0

0

1

1

PDU session establishment reject

1

1

0

0

0

1

0

1

PDU session authentication command

1

1

0

0

0

1

1

0

PDU session authentication complete

1

1

0

0

0

1

1

1

PDU session authentication result

1

1

0

0

1

0

0

1

PDU session modification request

1

1

0

0

1

0

1

0

PDU session modification reject

1

1

0

0

1

0

1

1

PDU session modification command

1

1

0

0

1

1

0

0

PDU session modification complete

1

1

0

0

1

1

0

1

PDU session modification command reject

1

1

0

1

0

0

0

1

PDU session release request

1

1

0

1

0

0

1

0

PDU session release reject

1

1

0

1

0

0

1

1

PDU session release command

1

1

0

1

0

1

0

0

PDU session release complete

1

1

0

1

0

1

1

0

5GSM status

1

1

0

1

1

0

0

0

Service-level authentication command

1

1

0

1

1

0

0

1

Service-level authentication complete

1

1

0

1

0

1

1

1

Remote UE report

1

1

0

1

1

0

0

0

Remote UE report response