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Content for  TS 24.501  Word version:  19.0.0

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8.2.9  Registration rejectp. 783

8.2.9.1  Message definitionp. 783

The REGISTRATION REJECT message is sent by the AMF to the UE. See Table 8.2.9.1.1.
Message type:
REGISTRATION REJECT
Significance:
dual
Direction:
network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Registration reject message identityMessage type
9.7
MV1
5GMM cause5GMM cause
9.11.3.2
MV1
5FT3346 valueGPRS timer 2
9.11.2.4
OTLV3
16T3502 valueGPRS timer 2
9.11.2.4
OTLV3
78EAP messageEAP message
9.11.2.2
OTLV-E7-1503
69Rejected NSSAIRejected NSSAI
9.11.3.46
OTLV4-42
75CAG information listCAG information list
9.11.3.18A
OTLV-E3-n
68Extended rejected NSSAIExtended rejected NSSAI
9.11.3.75
OTLV5-90
2CDisaster return wait rangeRegistration wait range
9.11.3.84
OTLV4
71Extended CAG information listExtended CAG information list
9.11.3.86
OTLV-E3-n
3ALower bound timer valueGPRS timer 3
9.11.2.5
OTLV3
1D Forbidden TAI(s) for the list of "5GS forbidden tracking areas for roaming" 5GS tracking area identity list
9.11.3.9
OTLV9-114
1E Forbidden TAI(s) for the list of "5GS forbidden tracking areas for regional provision of service" 5GS tracking area identity list
9.11.3.9
OTLV9-114
3E N3IWF identifier N3IWF identifier
9.11.3.93
OTLV7-n
4D TNAN information TNAN information
9.11.3.94
OTLV3-n
62 Extended 5GMM cause Extended 5GMM cause
9.11.3.109
OTLV3
Up

8.2.9.2  T3346 valuep. 784

The AMF may include this IE when the general NAS level mobility management congestion control is active

8.2.9.3  T3502 valuep. 784

This IE may be included to indicate a value for timer T3502 during the initial registration.

8.2.9.4  EAP messagep. 784

EAP message IE is included if the REGISTRATION REJECT message is used to convey EAP-failure message.

8.2.9.5  Rejected NSSAI |R16|p. 785

The network may include this IE to inform the UE of one or more S-NSSAIs that were included in the requested NSSAI in the REGISTRATION REQUEST message but were rejected by the network.

8.2.9.6  CAG information list |R16|p. 785

This IE may be included to assign a new "CAG information list" to the UE or delete the "CAG information list" at the UE side.

8.2.9.7  Extended rejected NSSAI |R17|p. 785

If the UE supports Extended rejected NSSAI, the network may include this IE to inform the UE of one or more S-NSSAIs that were included in the requested NSSAI in the REGISTRATION REQUEST message but were rejected by the network.

8.2.9.8  Disaster return wait range |R17|p. 785

This IE may be included to assign a new disaster return wait range to the UE.

8.2.9.9  Extended CAG information list |R17|p. 785

If the UE supports Extended CAG information list, the network may include this IE to assign a new "CAG information list" to the UE or delete the "CAG information list" at the UE side.

8.2.9.10  Lower bound timer value |R17|p. 785

The AMF may include this IE when the 5GMM cause is set to #78 "PLMN not allowed to operate at the present UE location", to provide a minimum time value for an entry added to the list of "PLMNs not allowed to operate at the present UE location".

8.2.9.11  Forbidden TAI(s) for the list of "5GS forbidden tracking areas for roaming" |R17|p. 785

This IE is included to indicate the forbidden TAI(s) to be stored in the list of "5GS forbidden tracking areas for roaming". This IE is included only if the message is sent via satellite NG-RAN access.

8.2.9.12  Forbidden TAI(s) for the list of "5GS forbidden tracking areas for regional provision of service" |R17|p. 785

This IE is included to indicate the forbidden TAI(s) to be stored in the list of "5GS forbidden tracking areas for regional provision of service". This IE is included only if the message is sent via satellite NG-RAN access.

8.2.9.13  N3IWF identifier |R18|p. 785

The network may include this IE if the UE supports slice-based N3IWF selection over non-3GPP access network.

8.2.9.14  TNAN information |R18|p. 785

The network may include this IE if the UE supports slice-based TNGF selection over trusted non-3GPP access network.

8.2.9.15  Extended 5GMM cause |R18|p. 785

This IE may be included by the network to indicate additional information associated with the 5GMM cause value #15 "no suitable cells in tracking area".

8.2.10  UL NAS transportp. 786

8.2.10.1  Message definitionp. 786

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
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
UL NAS TRANSPORT message identityMessage type
9.7
MV1
Payload container typePayload container type
9.11.3.40
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Payload containerPayload container
9.11.3.39
MLV-E3-65537
12PDU session IDPDU session identity 2
9.11.3.41
CTV2
59Old PDU session IDPDU session identity 2
9.11.3.41
OTV2
8-Request typeRequest type
9.11.3.47
OTV1
22S-NSSAIS-NSSAI
9.11.2.8
OTLV3-10
25DNNDNN
9.11.2.1B
OTLV3-102
24Additional informationAdditional information
9.11.2.1
OTLV3-n
A-MA PDU session informationMA PDU session information
9.11.3.31A
OTV1
F-Release assistance indicationRelease assistance indication
9.11.3.46A
OTV1
4ENon-3GPP access path switching indicationNon-3GPP access path switching indication
9.11.3.99
OTLV3
5AAlternative S-NSSAIS-NSSAI
9.11.2.8
OTLV3-10
9-Payload container informationPayload container information
9.11.3.106
OTV1
Up

8.2.10.2  PDU session IDp. 786

The UE shall include this IE when the Payload container type IE is set to "N1 SM information" or "CIoT user data".

8.2.10.3  Old PDU session IDp. 787

The UE shall include this IE if the UL NAS TRANSPORT message transports a PDU SESSION ESTABLISHMENT REQUEST message upon receiving the PDU SESSION MODIFICATION COMMAND message with the 5GSM cause IE set to #39 "reactivation requested" and the Payload container type IE is set to "N1 SM information".

8.2.10.4  Request typep. 787

The UE shall include this IE when the PDU session ID IE is included and the Payload container IE contains the PDU SESSION ESTABLISHMENT REQUEST message or the PDU SESSION MODIFICATION REQUEST which is not initiated to indicate a change of 3GPP PS data off UE status associated to a PDU session.

8.2.10.5  S-NSSAIp. 787

The UE may include this IE when the Request type IE is set to "initial request", "existing PDU session" or "MA PDU request", the Payload container type IE is set to "N1 SM information" and the UE is not registered for onboarding services in SNPN.

8.2.10.6  DNNp. 787

The UE may include this IE when the Request type IE is set to "initial request", "existing PDU session" or "MA PDU request", the Payload container type IE is set to "N1 SM information" and the UE is not registered for onboarding services in SNPN.

8.2.10.7  Additional informationp. 787

This IE is included when the Payload container type IE is set to "LTE Positioning Protocol (LPP) message container", "UPP-CMI container", "SLPP message container", or "Location services (LCS) message container".

8.2.10.8  MA PDU session information |R16|p. 787

The UE may include this IE if the Request type IE is included and is not set to "initial emergency request" or "existing emergency PDU session" in the UL NAS TRANSPORT message.

8.2.10.9  Release assistance indication |R16|p. 787

The UE may include this IE to inform the network whether:
  • no further uplink and no further downlink data transmission is expected; or
  • only a single downlink data transmission (e.g. acknowledgement or response to uplink data) and no further uplink data transmission subsequent to the uplink data transmission is expected.

8.2.10.10  Non-3GPP access path switching indication |R18|p. 787

The UE may include this IE when the Payload container type IE is set to "N1 SM information" to indicate whether the UE supports the non-3GPP access path switching for the PDU session.

8.2.10.11  Alternative S-NSSAI |R18|p. 787

The UE shall include this IE if the UE can provide alternative S-NSSAI associated with the S-NSSAI to be replaced to the network.

8.2.10.12  Payload container information |R18|p. 787

The UE may include this IE when the Payload container type IE is set to "Location services (LCS) message container".

8.2.11  DL NAS transportp. 788

8.2.11.1  Message definitionp. 788

The DL NAS TRANSPORT message transports message payload and associated information to the UE. See Table 8.2.11.1.1.
Message type:
DL NAS TRANSPORT
Significance:
dual
Direction:
network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
DL NAS TRANSPORT message identityMessage type
9.7
MV1
Payload container typePayload container type
9.11.3.40
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Payload containerPayload container
9.11.3.39
MLV-E3-65537
12PDU session IDPDU session identity 2
9.11.3.41
CTV2
24Additional informationAdditional information
9.11.2.1
OTLV3-n
585GMM cause5GMM cause
9.11.3.2
OTV2
37Back-off timer valueGPRS timer 3
9.11.2.5
OTLV3
3ALower bound timer valueGPRS timer 3
9.11.2.5
OTLV3
Up

8.2.11.2  PDU session IDp. 788

The AMF shall include this IE when the Payload container type IE is set to "N1 SM information" or "CIoT user data container".

8.2.11.3  Additional informationp. 788

This IE is included when the Payload container type IE is set to "LTE Positioning Protocol (LPP) message container", "UPP-CMI container", "SLPP message container", or "Location services (LCS) message container".

8.2.11.4  5GMM causep. 788

The AMF shall include this IE when the Payload container IE contains an uplink payload which was not forwarded and the Payload container type IE is not set to "Multiple payloads".

8.2.11.5  Back-off timer valuep. 788

The AMF may include this IE to indicate the back-off timer value when the Payload container IE is included and the Payload container type IE is not set to "Multiple payloads".

8.2.11.6  Lower bound timer value |R17|p. 789

The AMF may include this IE when the 5GMM cause is set to #78 "PLMN not allowed to operate at the present UE location", to provide a minimum time value for an entry added to the list of "PLMNs not allowed to operate at the present UE location".

8.2.12  De-registration request (UE originating de-registration)p. 789

8.2.12.1  Message definitionp. 789

The DEREGISTRATION REQUEST message is sent by the UE to the AMF. See Table 8.2.12.1.1.
Message type:
DEREGISTRATION REQUEST
Significance:
dual
Direction:
UE to network
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
De-registration request message identityMessage type
9.7
MV1
De-registration typeDe-registration type
9.11.3.20
MV1/2
ngKSINAS key set identifier
9.11.3.32
MV1/2
5GS mobile identity5GS mobile identity
9.11.3.4
MLV-E6-n
3CUnavailability informationUnavailability information
9.11.2.20
OTLV3-9
71NAS message containerNAS message container
9.11.3.33
OTLV-E4-n
Up

8.2.12.2  Unavailability information |R18|p. 789

The UE may include this IE when an event is triggered in the UE that would make the UE unavailable for a certain period and the use of unavailability period is not due to NR satellite access discontinuous coverage.

8.2.12.3  NAS message container |R18|p. 789

This IE shall be included if the UE is sending a DEREGISTRATION REQUEST message as an initial NAS message and the UE needs to send non-cleartext IEs.

8.2.13  De-registration accept (UE originating de-registration)p. 789

8.2.13.1  Message definitionp. 789

The DEREGISTRATION ACCEPT message is sent by the AMF to the UE. See Table 8.2.13.1.1.
Message type:
DEREGISTRATION ACCEPT
Significance:
dual
Direction:
network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
De-registration accept message identityMessage type
9.7
MV1
Up

8.2.14  De-registration request (UE terminated de-registration)p. 790

8.2.14.1  Message definitionp. 790

The DEREGISTRATION REQUEST message is sent by the AMF to the UE. See Table 8.2.14.1.1.
Message type:
DEREGISTRATION REQUEST
Significance:
dual
Direction:
network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
De-registration request message identityMessage type
9.7
MV1
De-registration typeDe-registration type
9.11.3.20
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
585GMM cause5GMM cause
9.11.3.2
OTV2
5FT3346 valueGPRS timer 2
9.11.2.4
OTLV3
6DRejected NSSAIRejected NSSAI
9.11.3.46
OTLV4-42
75CAG information listCAG information list
9.11.3.18A
OTLV-E3-n
68Extended rejected NSSAIExtended rejected NSSAI
9.11.3.75
OTLV5-90
2CDisaster return wait rangeRegistration wait range
9.11.3.84
OTLV4
71Extended CAG information listExtended CAG information list
9.11.3.86
OTLV-E3-n
3ALower bound timer valueGPRS timer 3
9.11.2.5
OTLV3
1D Forbidden TAI(s) for the list of "5GS forbidden tracking areas for roaming" 5GS tracking area identity list
9.11.3.9
OTLV9-114
1E Forbidden TAI(s) for the list of "5GS forbidden tracking areas for regional provision of service" 5GS tracking area identity list
9.11.3.9
OTLV9-114
Up

8.2.14.2  5GMM causep. 791

This information element is included if a 5GMM cause is provided.

8.2.14.3  T3346 valuep. 791

The AMF may include this IE when the general NAS level mobility management congestion control is active.

8.2.14.4  Rejected NSSAI |R16|p. 791

The AMF may include this IE to inform the UE of one or more S-NSSAIs that were rejected by the network.

8.2.14.5  CAG information list |R16|p. 791

This IE may be included to assign a new "CAG information list" to the UE or delete the "CAG information list" at the UE side.

8.2.14.6  Extended rejected NSSAI |R17|p. 792

If the UE supports Extended rejected NSSAI, the AMF may include this IE to inform the UE of one or more S-NSSAIs that were rejected by the network.

8.2.14.7  Disaster return wait range |R17|p. 792

This IE may be included to assign a new disaster return wait range to the UE.

8.2.14.7A  Extended CAG information list |R17|p. 792

If the UE supports Extended CAG information list, the network may include this IE to assign a new "CAG information list" to the UE or delete the "CAG information list" at the UE side.

8.2.14.8  Lower bound timer value |R17|p. 792

The AMF may include this IE when the 5GMM cause is set to #78 "PLMN not allowed to operate at the present UE location", to provide a minimum time value for an entry added to the list of "PLMNs not allowed to operate at the present UE location".

8.2.14.9  Forbidden TAI(s) for the list of "5GS forbidden tracking areas for roaming" |R17|p. 792

This IE is included to indicate the forbidden TAI(s) to be stored in the list of "5GS forbidden tracking areas for roaming". This IE is included only if the message is sent via satellite NG-RAN access.

8.2.14.10  Forbidden TAI(s) for the list of "5GS forbidden tracking areas for regional provision of service" |R17|p. 792

This IE is included to indicate the forbidden TAI(s) to be stored in the list of "5GS forbidden tracking areas for regional provision of service". This IE is included only if the message is sent via satellite NG-RAN access.

8.2.15  De-registration accept (UE terminated de-registration)p. 792

8.2.15.1  Message definitionp. 792

The DEREGISTRATION ACCEPT message is sent by the UE to the AMF. See Table 8.2.15.1.1.
Message type:
DEREGISTRATION ACCEPT
Significance:
dual
Direction:
UE to network
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
De-registration accept message identityMessage type
9.7
MV1
Up

8.2.16  Service requestp. 793

8.2.16.1  Message definitionp. 793

The SERVICE REQUEST message is sent by the UE to the AMF in order to request the establishment of an N1 NAS signalling connection, to request the establishment of user-plane resources for PDU sessions which are established without user-plane resources, or both. See Table 8.2.16.1.1.
Message type:
SERVICE REQUEST
Significance:
dual
Direction:
UE to network
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Service request message identityMessage type
9.7
MV1
ngKSI NAS key set identifier
9.11.3.32
MV1/2
Service typeService type
9.11.3.50
MV1/2
5G-S-TMSI5GS mobile identity
9.11.3.4
MLV-E9
40Uplink data statusUplink data status
9.11.3.57
OTLV4-34
50PDU session statusPDU session status
9.11.3.44
OTLV4-34
25Allowed PDU session statusAllowed PDU session status
9.11.3.13
OTLV4-34
71NAS message containerNAS message container
9.11.3.33
OTLV-E4-n
29UE request typeUE request type
9.11.3.76
OTLV3
28Paging restrictionPaging restriction
9.11.3.77
OTLV3-35
Up

8.2.16.2  Uplink data statusp. 793

This IE shall be included if the UE has uplink user data pending to be sent.

8.2.16.3  PDU session statusp. 793

This IE shall be included when the UE needs to indicate the PDU sessions that are associated with the access type that the message is sent over, that are active within the UE.

8.2.16.4  Allowed PDU session statusp. 793

This IE shall be included if the SERVICE REQUEST message is sent as a response to paging with the access type indicating non-3GPP access or notification via 3GPP access for PDU session(s) associated with non-3GPP access.

8.2.16.5  NAS message containerp. 794

This IE shall be included if the UE is sending a SERVICE REQUEST message as an initial NAS message and the UE needs to send non-cleartext IEs.

8.2.16.6  UE request type |R17|p. 794

The UE shall include this IE if the MUSIM UE requests the release of the NAS signalling connection or rejects the paging request from the network.

8.2.16.7  Paging restriction |R17|p. 794

The UE shall include this IE if the Request type is set to "NAS signalling connection release" or to "Rejection of paging" in the UE request type IE and the UE requests the network to restrict paging.

8.2.17  Service acceptp. 794

8.2.17.1  Message definitionp. 794

The SERVICE ACCEPT message is sent by the AMF to the UE in order to accept the service request procedure. See Table 8.2.17.1.1.
Message type:
SERVICE ACCEPT
Significance:
dual
Direction:
network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Service accept message identityMessage type
9.7
MV1
50PDU session statusPDU session status
9.11.3.44
OTLV4-34
26PDU session reactivation resultPDU session reactivation result
9.11.3.42
OTLV4-34
72PDU session reactivation result error causePDU session reactivation result error cause
9.11.3.43
OTLV-E5-515
78EAP messageEAP message
9.11.2.2
OTLV-E7-1503
6BT3448 valueGPRS timer 2
9.11.2.4
OTLV3
345GS additional request result5GS additional request result
9.11.3.81
OTLV3
1D Forbidden TAI(s) for the list of "5GS forbidden tracking areas for roaming" 5GS tracking area identity list
9.11.3.9
OTLV9-114
1E Forbidden TAI(s) for the list of "5GS forbidden tracking areas for regional provision of service" 5GS tracking area identity list
9.11.3.9
OTLV9-114
Up

8.2.17.2  PDU session statusp. 795

This IE shall be included when the network needs to indicate the PDU sessions that are associated with the access type that the message is sent over that are active within the network.

8.2.17.3  PDU session reactivation resultp. 795

This IE shall be included:
  • if the Uplink data status IE is included in the SERVICE REQUEST message; or
  • if the Allowed PDU session status IE is included in the SERVICE REQUEST message and there is at least one PDU session indicated in the Allowed PDU session status IE for which user-plane resources can be re-established over 3GPP access.

8.2.17.4  PDU session reactivation result error causep. 795

This IE may be included if the PDU session reactivation result IE is included and there exist one or more PDU sessions for which the user-plane resources cannot be re-established, to indicate the cause of failure to re-establish the user-plane resources.

8.2.17.5  EAP messagep. 795

EAP message IE is included if the SERVICE ACCEPT message is sent to a UE registered for emergency services and is used to convey EAP-failure message.

8.2.17.6  T3448 value |R16|p. 795

The network may include this IE if the congestion control for transport of user data via the control plane is active and the UE supports the control plane CIoT 5GS optimizations.

8.2.17.7  5GS additional request result |R17|p. 795

The network may include this IE to inform the UE about the result of additional request.

8.2.17.8  Forbidden TAI(s) for the list of "5GS forbidden tracking areas for roaming" |R17|p. 795

This IE is included to indicate the forbidden TAI(s) to be stored in the list of "5GS forbidden tracking areas for roaming". This IE is included only if the message is sent via satellite NG-RAN access.

8.2.17.9  Forbidden TAI(s) for the list of "5GS forbidden tracking areas for regional provision of service" |R17|p. 795

This IE is included to indicate the forbidden TAI(s) to be stored in the list of "5GS forbidden tracking areas for regional provision of service". This IE is included only if the message is sent via satellite NG-RAN access.

8.2.18  Service rejectp. 795

8.2.18.1  Message definitionp. 795

The SERVICE REJECT message is sent by the AMF to the UE in order to reject the service request procedure. See Table 8.2.18.1.1.
Message type:
SERVICE REJECT
Significance:
dual
Direction:
network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Service reject message identityMessage type
9.7
MV1
5GMM cause5GMM cause
9.11.3.2
MV1
50PDU session statusPDU session status
9.11.3.44
OTLV4-34
5FT3346 valueGPRS timer 2
9.11.2.4
OTLV3
78EAP messageEAP message
9.11.2.2
OTLV-E7-1503
6BT3448 valueGPRS timer 2
9.11.2.4
OTLV3
75CAG information listCAG information list
9.11.3.18A
OTLV-E3-n
2CDisaster return wait rangeRegistration wait range
9.11.3.84
OTLV4
71Extended CAG information listExtended CAG information list
9.11.3.86
OTLV-E3-n
3ALower bound timer valueGPRS timer 3
9.11.2.5
OTLV3
1D Forbidden TAI(s) for the list of "5GS forbidden tracking areas for roaming" 5GS tracking area identity list
9.11.3.9
OTLV9-114
1E Forbidden TAI(s) for the list of "5GS forbidden tracking areas for regional provision of service" 5GS tracking area identity list
9.11.3.9
OTLV9-114
Up

8.2.18.2  PDU session statusp. 796

This IE shall be included when the network needs to indicate the PDU sessions that are associated with the access type that the message is sent over, that are active within the network.

8.2.18.3  T3346 valuep. 796

The AMF may include this IE when the general NAS level mobility management congestion control is active.

8.2.18.4  EAP messagep. 796

EAP message IE is included if the SERVICE REJECT message is used to convey EAP-failure message.

8.2.18.5  T3448 value |R16|p. 796

The network may include this IE if the congestion control for transport of user data via the control plane is active and the UE supports the control plane CIoT 5GS optimizations.

8.2.18.6  CAG information list |R16|p. 797

This IE may be included to assign a new "CAG information list" to the UE or delete the "CAG information list" at the UE side.

8.2.18.7  Disaster return wait range |R17|p. 797

This IE may be included to assign a new disaster return wait range to the UE.

8.2.18.8  Extended CAG information list |R17|p. 797

If the UE supports Extended CAG information list, the network may include this IE to assign a new "CAG information list" to the UE or delete the "CAG information list" at the UE side.

8.2.18.9  Lower bound timer value |R17|p. 797

The AMF may include this IE when the 5GMM cause is set to #78 "PLMN not allowed to operate at the present UE location", to provide a minimum time value for an entry added to the list of "PLMNs not allowed to operate at the present UE location".

8.2.18.10  Forbidden TAI(s) for the list of "5GS forbidden tracking areas for roaming" |R17|p. 797

This IE is included to indicate the forbidden TAI(s) to be stored in the list of "5GS forbidden tracking areas for roaming". This IE is included only if the message is sent via satellite NG-RAN access.

8.2.18.11  Forbidden TAI(s) for the list of "5GS forbidden tracking areas for regional provision of service" |R17|p. 797

This IE is included to indicate the forbidden TAI(s) to be stored in the list of "5GS forbidden tracking areas for regional provision of service". This IE is included only if the message is sent via satellite NG-RAN access.

8.2.19  Configuration update commandp. 797

8.2.19.1  Message definitionp. 797

The CONFIGURATION UPDATE COMMAND message is sent by the AMF to the UE. See Table 8.2.19.1.1.
Message type:
CONFIGURATION UPDATE COMMAND
Significance:
dual
Direction:
network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Configuration update command message identityMessage type
9.7
MV1
D-Configuration update indicationConfiguration update indication
9.11.3.18
OTV1
775G-GUTI5GS mobile identity
9.11.3.4
OTLV-E14
54TAI list5GS tracking area identity list
9.11.3.9
OTLV9-114
15Allowed NSSAINSSAI
9.11.3.37
OTLV4-74
27Service area listService area list
9.11.3.49
OTLV6-114
43Full name for networkNetwork name
9.11.3.35
OTLV3-n
45Short name for networkNetwork name
9.11.3.35
OTLV3-n
46Local time zoneTime zone
9.11.3.52
OTV2
47Universal time and local time zoneTime zone and time
9.11.3.53
OTV8
49Network daylight saving timeDaylight saving time
9.11.3.19
OTLV3
79LADN informationLADN information
9.11.3.30
OTLV-E3-1715
B-MICO indicationMICO indication
9.11.3.31
OTV1
9-Network slicing indicationNetwork slicing indication
9.11.3.36
OTV1
31Configured NSSAINSSAI
9.11.3.37
OTLV4-146
11Rejected NSSAIRejected NSSAI
9.11.3.46
OTLV4-42
76Operator-defined access category definitionsOperator-defined access category definitions
9.11.3.38
OTLV-E3-8323
F-SMS indicationSMS indication
9.11.3.50A
OTV1
6CT3447 valueGPRS timer 3
9.11.2.5
OTLV3
75CAG information listCAG information list
9.11.3.18A
OTLV-E3-n
67UE radio capability IDUE radio capability ID
9.11.3.68
OTLV3-n
A-UE radio capability ID deletion indicationUE radio capability ID deletion indication
9.11.3.69
OTV1
445GS registration result5GS registration result
9.11.3.6
OTLV3
1BTruncated 5G-S-TMSI configurationTruncated 5G-S-TMSI configuration
9.11.3.70
OTLV3
C-Additional configuration indicationAdditional configuration indication
9.11.3.74
OTV1
68Extended rejected NSSAIExtended rejected NSSAI
9.11.3.75
OTLV5-90
72Service-level-AA containerService-level-AA container
9.11.2.10
OTLV-E4-65538
70NSSRG informationNSSRG information
9.11.3.82
OTLV-E7-4099
14Disaster roaming wait rangeRegistration wait range
9.11.3.84
OTLV4
2CDisaster return wait rangeRegistration wait range
9.11.3.84
OTLV4
13List of PLMNs to be used in disaster conditionList of PLMNs to be used in disaster condition
9.11.3.83
OTLV2-n
71Extended CAG information listExtended CAG information list
9.11.3.86
OTLV-E3-n
1FUpdated PEIPS assistance informationPEIPS assistance information
9.11.3.80
OTLV3-n
73NSAG informationNSAG information
9.11.3.87
OTLV-E9-3143
E-Priority indicatorPriority indicator
9.11.3.91
OTV1
4BRAN timing synchronizationRAN timing synchronization
9.11.3.95
OTLV3
78Extended LADN informationExtended LADN information
9.11.3.96
OTLV-E3-1787
4CAlternative NSSAIAlternative NSSAI
9.11.3.97
OTLV2-146
7BS-NSSAI location validity informationS-NSSAI location validity information
9.11.3.100
OTLV-E17-38611
5BS-NSSAI time validity informationS-NSSAI time validity information
9.11.3.101
OTLV-E23-257
4FMaximum time offsetGPRS timer 3
9.11.2.5
OTLV3
74Partially allowed NSSAIPartial NSSAI
9.11.3.103
OTLV-E3-808
7APartially rejected NSSAIPartial NSSAI
9.11.3.103
OTLV-E3-808
61On-demand NSSAIOn-demand NSSAI
9.11.3.108
OTLV5-210
63RAT utilization controlRAT utilization control
9.11.3.110
OTLV4-n
Up

8.2.19.2  Configuration update indicationp. 800

The AMF shall include this IE if the AMF needs to request an acknowledgement or a registration procedure from the UE.

8.2.19.3  5G-GUTIp. 800

This IE may be included to assign a new 5G-GUTI to the UE.

8.2.19.4  TAI listp. 800

This IE may be included to assign a new TAI list to the UE.

8.2.19.5  Allowed NSSAIp. 800

This IE may be included to assign a new allowed NSSAI to the UE not registered for onboarding services in SNPN.

8.2.19.6  Service area listp. 800

This IE may be included to assign a new service area list to the UE.

8.2.19.7  Full name for networkp. 801

This IE may be included to assign a new full name for network to the UE.

8.2.19.8  Short name for networkp. 801

This IE may be included to assign a new short name for network to the UE.

8.2.19.9  Local time zonep. 801

This IE may be included to assign a new local time zone to the UE.

8.2.19.10  Universal time and local time zonep. 801

This IE may be included to assign new universal time and local time zone to the UE.

8.2.19.11  Network daylight saving timep. 801

This IE may be included to assign new network daylight saving time to the UE.

8.2.19.12  LADN informationp. 801

This IE may be included to assign new LADN information to the UE or delete the LADN information at the UE side.

8.2.19.13  MICO indicationp. 801

This IE may be included to request the UE to re-negotiate MICO mode.

8.2.19.14  Network slicing indicationp. 801

This IE shall be included if the user's network slicing subscription has changed in the UDM of a PLMN or an SNPN.

8.2.19.15  Configured NSSAIp. 801

The AMF shall include this IE when the AMF needs to provide the UE with a new configured NSSAI for the current PLMN or SNPN and the UE is neither registering nor registered for onboarding services in SNPN.

8.2.19.16  Rejected NSSAIp. 801

The network may include this IE to inform the UE of one or more S-NSSAIs that were previously sent to the UE in the allowed NSSAI or the pending NSSAI, but are now considered rejected by the network.

8.2.19.17  Operator-defined access category definitionsp. 801

This IE may be included to assign new operator-defined access category definitions to the UE or delete the operator-defined access category definitions at the UE side.

8.2.19.18  SMS indicationp. 801

This IE may be included to indicate that the ability for the UE to use SMS over NAS has changed.

8.2.19.19  T3447 value |R16|p. 801

This IE may be included to assign a new T3447 value to the UE.

8.2.19.20  CAG information list |R16|p. 802

This IE may be included to assign new "CAG information list" to the UE or delete the "CAG information list" at the UE side.

8.2.19.21  UE radio capability ID |R16|p. 802

This IE may be included if the UE is not in NB-N1 mode, both the UE and the network support RACS and the network needs to assign a network-assigned UE radio capability ID to the UE.

8.2.19.22  UE radio capability ID deletion indication |R16|p. 802

This IE may be included if the UE is not in NB-N1 mode, both the UE and the network support RACS and the network needs to trigger the UE to delete all network-assigned UE radio capability IDs stored at the UE for the serving PLMN or serving SNPN.

8.2.19.23  5GS registration result |R16|p. 802

This IE shall be included if the network wants to indicate to the UE that the UE is registered for emergency services.

8.2.19.24  Truncated 5G-S-TMSI configuration |R16|p. 802

This IE may be included to provide a new truncated 5G-S-TMSI configuration to the UE in NB-N1 mode if the network is configured to provide the truncated 5G-S-TMSI configuration for control plane CIoT 5GS optimizations.

8.2.19.25  Additional configuration indication |R16|p. 802

The network may include this IE when requesting the UE to register without the release of the N1 NAS signalling connection.

8.2.19.26  Extended rejected NSSAI |R17|p. 802

If the UE supports Extended rejected NSSAI, the network may include this IE to inform the UE of one or more S-NSSAIs that were previously sent to the UE in the allowed NSSAI or the pending NSSAI, but are now considered rejected by the network.

8.2.19.27  Service-level-AA container |R17|p. 802

The network shall include this IE when the AMF receives the Service-level-AA payload or the UUAA-MM result from the UAS-NF during the UUAA-MM procedure or the UUAA revocation procedure. The network shall also include this IE if the AMF receives from the UAS-NF, the CAA-Level UAV ID as part of the UUAA-MM procedure.

8.2.19.28  NSSRG information |R17|p. 802

This IE may be included to provide NSSRG information associated with the configured NSSAI.

8.2.19.29  Disaster roaming wait range |R17|p. 802

This IE may be included to assign a new disaster roaming wait range to the UE.

8.2.19.30  Disaster return wait range |R17|p. 802

This IE may be included to assign a new disaster return wait range to the UE.

8.2.19.31  List of PLMNs to be used in disaster condition |R17|p. 803

This IE may be included by an allowed PLMN to assign a new "list of PLMN(s) to be used in disaster condition" associated with the serving PLMN to the UE.

8.2.19.32  Extended CAG information list |R17|p. 803

If the UE supports Extended CAG information list, the network may include this IE to assign a new "CAG information list" to the UE or delete the "CAG information list" at the UE side.

8.2.19.33  Updated PEIPS assistance information |R17|p. 803

The AMF may include this IE if the UE supports NR paging subgrouping, the AMF supports and accepts the use of PEIPIS assistance information for the UE, the UE is not registered for emergency services, the UE does not have an active emergency PDU session, and the network needs to update PEIPS assistance information for the UE.

8.2.19.34  NSAG information |R17|p. 803

If the UE has set the NSAG bit to "NSAG supported" in the 5GMM capability IE of the REGISTRATION REQUEST message and the CONFIGURATION UPDATE COMMAND message is sent over 3GPP access, the network may include this IE to provide NSAG information to the UE.

8.2.19.35  Priority indicator |R17|p. 803

The network shall include this IE when it needs to inform the UE that the use of access identity 1 is valid or is no longer valid.

8.2.19.36  RAN timing synchronization |R18|p. 803

This IE may be included to provide information related to the RAN timing synchronization to a UE which has set the Reconnection to the network due to RAN timing synchronization status change (RANtiming) bit to "Reconnection to the network due to RAN timing synchronization status change supported" in the 5GMM capability IE of the REGISTRATION REQUEST message.

8.2.19.37  Extended LADN information |R18|p. 803

This IE may be included to assign new extended LADN information to the UE or delete the extended LADN information at the UE side.

8.2.19.38  Alternative NSSAI |R18|p. 803

The network may include this IE to provide the mapping information between the S-NSSAI to be replaced and the alternative S-NSSAI to the UE.

8.2.19.39  S-NSSAI location validity information |R18|p. 803

The network may include this IE to update the S-NSSAI location validity information.

8.2.19.40  S-NSSAI time validity information |R18|p. 803

The network may include this IE to update the S-NSSAI time validity information.

8.2.19.41  Maximum time offset |R18|p. 803

This IE may be included to provide the UE with a maximum time offset.

8.2.19.42  Partially allowed NSSAI |R18|p. 804

The network may include this IE to assign a partially allowed NSSAI to the UE.

8.2.19.43  Partially rejected NSSAI |R18|p. 804

The network may include this IE to assign a partially rejected NSSAI to the UE.

8.2.19.44  Feature authorization indication |R18|p. 804

The network may include this IE to inform to the UE about the authorization status of the UE whether to operate as an MBSR or to operate not as an MBSR but to operate as a UE.

8.2.19.45  On-demand NSSAI |R18|p. 804

The network may include this IE to provide the on-demand NSSAI to the UE.

8.2.19.46  RAT utilization control |R19|p. 804

This IE is included to indicate the restricted RAT(s).

8.2.20  Configuration update completep. 804

8.2.20.1  Message definitionp. 804

The CONFIGURATION UPDATE COMPLETE message is sent by the UE to the AMF. See Table 8.2.20.1.1.
Message type:
CONFIGURATION UPDATE COMPLETE
Significance:
dual
Direction:
UE to network
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Configuration update complete message identityMessage type
9.7
MV1
Up

8.2.20.2Void

8.2.21  Identity requestp. 804

8.2.21.1  Message definitionp. 804

The IDENTITY REQUEST message is sent by the AMF to the UE to request the UE to provide specified identity. See Table 8.2.21.1.1
Message type:
IDENTITY REQUEST
Significance:
dual
Direction:
AMF to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Identity request message identityMessage type
9.7
MV1
Identity type5GS identity type
9.11.3.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Up

8.2.22  Identity responsep. 805

8.2.22.1  Message definitionp. 805

The IDENTITY RESPONSE message is sent by the UE to the AMF to provide the requested identity. See Table 8.2.22.1.1.
Message type:
IDENTITY RESPONSE
Significance:
dual
Direction:
UE to AMF
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Identity response message identityMessage type
9.7
MV1
Mobile identity5GS mobile identity
9.11.3.4
MLV-E3-n
Up

8.2.23  Notificationp. 805

8.2.23.1  Message definitionp. 805

The NOTIFICATION message is sent by the AMF to the UE to notify the UE to initiate a service request procedure. See Table 8.2.23.1.1.
Message type:
NOTIFICATION
Significance:
dual
Direction:
network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Notification message identityMessage type
9.7
MV1
Access typeAccess type
9.11.2.1A
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Up

8.2.24  Notification responsep. 806

8.2.24.1  Message definitionp. 806

The NOTIFICATION RESPONSE message is sent by the UE to the AMF to notify the failure to initiate the service request procedure as a response of notification. See Table 8.2.24.1.1.
Message type:
NOTIFICATION RESPONSE
Significance:
dual
Direction:
UE to network
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Notification response message identityMessage type
9.7
MV1
50PDU session statusPDU session status
9.11.3.44
OTLV4-34
Up

8.2.24.2  PDU session statusp. 806

This information element shall be included when the UE needs to indicate over non-3GPP access the PDU sessions that are associated with the 3GPP access type that are active within the UE.

8.2.25  Security mode commandp. 806

8.2.25.1  Message definitionp. 806

The SECURITY MODE COMMAND message is sent by the AMF to the UE to establish NAS signalling security. See Table 8.2.25.1.1.
Message type:
SECURITY MODE COMMAND
Significance:
dual
Direction:
network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Security mode command message identityMessage type
9.7
MV1
Selected NAS security algorithmsNAS security algorithms
9.11.3.34
MV1
ngKSINAS key set identifier
9.11.3.32
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Replayed UE security capabilitiesUE security capability
9.11.3.54
MLV3-9
E-IMEISV requestIMEISV request
9.11.3.28
OTV1
57Selected EPS NAS security algorithmsEPS NAS security algorithms
9.11.3.25
OTV2
36Additional 5G security informationAdditional 5G security information
9.11.3.12
OTLV3
78EAP messageEAP message
9.11.2.2
OTLV-E7-1503
38ABBAABBA
9.11.3.10
OTLV4-n
19Replayed S1 UE security capabilitiesS1 UE security capability
9.11.3.48A
OTLV4-7
55AUN3 device security keyAUN3 device security key
9.11.3.107
OTLV36-257
Up

8.2.25.2  IMEISV requestp. 807

The AMF may include this information element to request the UE to send its IMEISV with the corresponding SECURITY MODE COMPLETE message.

8.2.25.3Void

8.2.25.4  Selected EPS NAS security algorithmsp. 807

This IE shall be included if the AMF supports N26 interface, the UE set the S1 mode bit to "S1 mode supported" in the 5GMM capability IE of the REGISTRATION REQUEST message, and the AMF needs to provide the selected EPS NAS security algorithms to the UE.

8.2.25.5  Additional 5G security informationp. 807

The network shall include this IE if:
  1. the network needs to provide the UE with horizontal derivation parameter; or
  2. the applicable initial NAS message (i.e. REGISTRATION REQUEST, CONTROL PLANE SERVICE REQUEST or SERVICE REQUEST) does not successfully pass the integrity check at the AMF (see subclause 5.4.2.2).

8.2.25.6  EAP messagep. 808

This IE is included when the EAP Success message is sent as part of the EAP based primary authentication and key agreement procedure, as specified in subclause 5.4.1.2.

8.2.25.7  ABBAp. 808

This IE shall be included if the message contains an EAP message IE with an EAP-success message.

8.2.25.8  Replayed S1 UE security capabilitiesp. 808

This IE shall be included if the Selected EPS NAS security algorithms information element is included.

8.2.25.9  AUN3 device security key |R18|p. 808

This IE shall be included when the SECURITY MODE COMMAND message is provided to a 5G-RG that is acting on behalf of an AUN3 device if the EAP message IE is set to an EAP-success message.

8.2.26  Security mode completep. 808

8.2.26.1  Message definitionp. 808

The SECURITY MODE COMPLETE message is sent by the UE to the AMF in response to a SECURITY MODE COMMAND message. See Table 8.2.26.1.1.
Message type:
SECURITY MODE COMPLETE
Significance:
dual
Direction:
UE to network
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Security mode complete message identityMessage type
9.6
MV1
77IMEISV5GS mobile identity
9.11.3.4
OTLV-E12
71NAS message containerNAS message container
9.11.3.33
OTLV-E4-n
78non-IMEISV PEI5GS mobile identity
9.11.3.4
OTLV-E7-n
Up

8.2.26.2  IMEISVp. 808

The UE shall include this information element, if the IMEISV was requested within the corresponding SECURITY MODE COMMAND message.

8.2.26.3  NAS message containerp. 808

The UE shall include this information element:
  1. if during an ongoing registration procedure or service request procedure, the AMF included the Additional 5G security information with the RINMR bit set to "Retransmission of the initial NAS message requested" in the SECURITY MODE COMMAND message as described in TS 33.501; or
  2. if during an ongoing registration procedure, the UE does not have a valid 5G NAS security context.
Up

8.2.26.4  non-IMEISV PEI |R16|p. 809

The 5G-RG or the W-AGF acting on behalf of the FN-RG (or on behalf of the N5GC device) shall include this information element, if the IMEISV was requested within the corresponding SECURITY MODE COMMAND message, the IMEISV is not available but MAC address is available.
The UE shall include this information element, if the IMEISV was requested within the corresponding SECURITY MODE COMMAND message, the IMEISV is not available but EUI-64 is available.

8.2.27  Security mode rejectp. 809

8.2.27.1  Message definition |R17|p. 809

The SECURITY MODE REJECT message is sent by the UE to the AMF to indicate that the corresponding security mode command has been rejected. See Table 8.2.27.1.1.
Message type:
SECURITY MODE REJECT
Significance:
dual
Direction:
UE to network
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Security mode reject message identityMessage type
9.6
MV1
5GMM cause5GMM cause
9.11.3.2
MV1
Up

8.2.28  Security protected 5GS NAS messagep. 809

8.2.28.1  Message definitionp. 809

This message is sent by the UE or the network to transfer a plain 5GS NAS message as specified in subclause 8.2 together with the sequence number and the message authentication code protecting the message. See Table 8.2.28.1.1.
Message type:
SECURITY PROTECTED 5GS NAS MESSAGE
Significance:
dual
Direction:
both
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Message authentication codeMessage authentication code
9.8
MV4
Sequence numberSequence number
9.10
MV1
Plain 5GS NAS messagePlain 5GS NAS message
9.9
MV3-n
Up

8.2.29  5GMM statusp. 810

8.2.29.1  Message definitionp. 810

The 5GMM STATUS message is sent by the UE or by the AMF at any time to report certain error conditions. See Table 8.2.29.1.1.
Message type:
5GMM STATUS
Significance:
local
Direction:
both
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
5GMM STATUS message identityMessage type
9.7
MV1
5GMM cause5GMM cause
9.11.3.2
MV1
Up

8.2.30  Control Plane Service request |R16|p. 810

8.2.30.1  Message definitionp. 810

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
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Control plane service request message identityMessage type
9.7
MV1
Control plane service typeControl plane service type
9.11.3.18D
MV1/2
ngKSI NAS key set identifier
9.11.3.32
MV1/2
6FCIoT small data containerCIoT small data container
9.11.3.18B
OTLV4-257
8-Payload container typePayload container type
9.11.3.40
OTV1
7BPayload containerPayload container
9.11.3.39
OTLV-E4-65538
12PDU session IDPDU session identity 2
9.11.3.41
CTV2
50PDU session statusPDU session status
9.11.3.44
OTLV4-34
F-Release assistance indicationRelease assistance indication
9.11.3.46A
OTV1
40Uplink data statusUplink data status
9.11.3.57
OTLV4-34
71NAS message containerNAS message container
9.11.3.33
OTLV-E4-n
24Additional informationAdditional information
9.11.2.1
OTLV3-n
25Allowed PDU session statusAllowed PDU session status
9.11.3.13
OTLV4-34
29UE request typeUE request type
9.11.3.76
OTLV3
28Paging restrictionPaging restriction
9.11.3.77
OTLV3-35
Up

8.2.30.2  CIoT small data containerp. 811

This IE shall be included if the UE needs to send uplink small user data, SMS or location services message that is not more than 254 bytes, and there is no other optional IE to be sent.

8.2.30.3  Payload container typep. 811

This IE shall be included if the UE includes the Payload container IE.

8.2.30.4  Payload containerp. 811

This IE shall be included if the UE needs to send uplink CIoT user data, SMS or location services message.

8.2.30.5  PDU session IDp. 811

The UE shall include this IE when the Payload container type IE is set to "CIoT user data container".

8.2.30.6  PDU session statusp. 812

This IE shall be included when the UE needs to indicate the PDU sessions that are associated with the access type that the message is sent over, that are active within the UE.

8.2.30.7  Release assistance indicationp. 812

The UE may include this IE to inform the network whether:
  • no further uplink and no further downlink data transmission is expected; or
  • only a single downlink data transmission (e.g. acknowledgement or response to uplink data) and no further uplink data transmission subsequent to the uplink data transmission is expected.

8.2.30.8  Uplink data statusp. 812

This IE shall be included if the UE has uplink user data pending to be sent over the user plane.

8.2.30.9  NAS message containerp. 812

This IE shall be included if the UE is sending a CONTROL PLANE SERVICE REQUEST message as an initial NAS message and the UE needs to send non-cleartext IEs.

8.2.30.10  Additional informationp. 812

The UE may include this IE when the Payload container type IE is set to "Location services message container".

8.2.30.11  Allowed PDU session status |R17|p. 812

This IE shall be included if the CONTROL PLANE SERVICE REQUEST message is sent as a response to paging with the access type indicating non-3GPP access or notification via 3GPP access for PDU session(s) associated with non-3GPP access.

8.2.30.12  UE request type |R17|p. 812

The UE shall include this IE if the MUSIM UE requests the release of the NAS signalling connection or rejects the paging request from the network.

8.2.30.13  Paging restriction |R17|p. 812

The UE shall include this IE if the Request type is set to "NAS signalling connection release" or to "Rejection of paging" in the UE request type IE and the UE requests the network to restrict paging.

8.2.31  Network slice-specific authentication command |R16|p. 812

8.2.31.1  Message definitionp. 812

The NETWORK SLICE-SPECIFIC AUTHENTICATION COMMAND message is sent by the AMF to the UE for authentication of the upper layers of the UE. See Table 8.2.31.1.1.
Message type:
NETWORK SLICE-SPECIFIC AUTHENTICATION COMMAND
Significance:
dual
Direction:
network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
NETWORK SLICE-SPECIFIC AUTHENTICATION COMMAND message identityMessage type
9.7
MV1
S-NSSAIS-NSSAI
9.11.2.8
MLV2-5
EAP messageEAP message
9.11.2.2
MLV-E6-1502
Up

8.2.32  Network slice-specific authentication complete |R16|p. 813

8.2.32.1  Message definitionp. 813

The NETWORK SLICE-SPECIFIC AUTHENTICATION COMPLETE message is sent by the UE to the AMF in response to the NETWORK SLICE-SPECIFIC AUTHENTICATION COMMAND message and indicates acceptance of the NETWORK SLICE-SPECIFIC AUTHENTICATION COMMAND message. See Table 8.2.32.1.1.
Message type:
NETWORK SLICE-SPECIFIC AUTHENTICATION COMPLETE
Significance:
dual
Direction:
UE to network
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
NETWORK SLICE-SPECIFIC AUTHENTICATION COMPLETE message identityMessage type
9.7
MV1
S-NSSAIS-NSSAI
9.11.2.8
MLV2-5
EAP messageEAP message
9.11.2.2
MLV-E6-1502
Up

8.2.33  Network slice-specific authentication result |R16|p. 813

8.2.33.1  Message definitionp. 813

The NETWORK SLICE-SPECIFIC AUTHENTICATION RESULT message is sent by the AMF to the UE for indicating the result of the network slice-specific authentication and authorization procedure. See Table 8.2.33.1.1.
Message type:
NETWORK SLICE-SPECIFIC AUTHENTICATION RESULT
Significance:
dual
Direction:
network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
NETWORK SLICE-SPECIFIC AUTHENTICATION RESULT message identityMessage type
9.7
MV1
S-NSSAIS-NSSAI
9.11.2.8
MLV2-5
EAP messageEAP message
9.11.2.2
MLV-E6-1502
Up

8.2.34  Relay key request |R17|p. 814

8.2.34.1  Message definitionp. 814

The RELAY KEY REQUEST message is sent by the UE to the AMF for initiation of PC5 keys establishment with the 5G ProSe remote UE or the 5G ProSe end UE as specified in TS 33.503. See Table 8.2.34.1.
Message type:
RELAY KEY REQUEST
Significance:
dual
Direction:
UE to network
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Relay key request message identityMessage type
9.7
MV1
PRTIProSe relay transaction identity
9.11.3.88
MV1
Relay key request parametersRelay key request parameters
9.11.3.89
MLV22-65537
Up

8.2.35  Relay key accept |R17|p. 814

8.2.35.1  Message definitionp. 814

The RELAY KEY ACCEPT message is sent by the AMF to the UE as specified in TS 33.503. See Table 8.2.35.1.
Message type:
RELAY KEY ACCEPT
Significance:
dual
Direction:
network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Relay key accept message identityMessage type
9.7
MV1
PRTIProSe relay transaction identity
9.11.3.88
MV1
Relay key response parametersRelay key response parameters
9.11.3.90
MLV-E51-65537
78EAP messageEAP message
9.11.2.2
OTLV-E7-1503
Up

8.2.35.2  EAP messagep. 815

The AMF shall include the EAP message IE if the AMF has received an EAP-success message from the AUSF.

8.2.36  Relay key reject |R17|p. 815

8.2.36.1  Message definitionp. 815

The RELAY KEY REJECT message is sent by the AMF to the UE to indicate the rejection of the relay key request. See Table 8.2.36.1.
Message type:
RELAY KEY REJECT
Significance:
dual
Direction:
network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Relay key reject message identityMessage type
9.7
MV1
PRTIProSe relay transaction identity
9.11.3.88
MV1
78EAP messageEAP message
9.11.2.2
OTLV-E7-1503
Up

8.2.36.2  EAP messagep. 815

EAP message IE is included if the RELAY KEY REJECT message is used to convey EAP-failure message.

8.2.37  Relay authentication request |R17|p. 816

8.2.37.1  Message definitionp. 816

The RELAY AUTHENTICATION REQUEST message is sent by the network to the UE to initiate authentication of the 5G ProSe remote UE or the 5G ProSe end UE as specified in TS 33.503. See Table 8.2.37.1.
Message type:
RELAY AUTHENTICATION REQUEST
Significance:
dual
Direction:
Network to UE
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Relay authentication request message identityMessage type
9.7
MV1
PRTIroSe relay transaction identity
9.11.3.88
>MV1
EAP messageEAP message
9.11.2.2
MLV-E7-1503
Up

8.2.38  Relay authentication response |R17|p. 816

8.2.38.1  Message definitionp. 816

The RELAY AUTHENTICATION RESPONSE message is sent by the UE to the network to forward the authentication response from the 5G ProSe remote UE or the 5G ProSe end UE as specified in TS 33.503. See Table 8.2.38.1.
Message type:
RELAY AUTHENTICATION RESPONSE
Significance:
dual
Direction:
UE to network
IEI Information Element Type/Reference Presence Format Length
Extended protocol discriminatorExtended protocol discriminator
9.2
MV1
Security header typeSecurity header type
9.3
MV1/2
Spare half octetSpare half octet
9.5
MV1/2
Relay authentication response message identityMessage type
9.7
MV1
PRTIProSe relay transaction identity
9.11.3.88
MV1
EAP messageEAP message
9.11.2.2
MLV-E6-1502
Up

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