For the NGAP messages transferred between the Non-3GPP access network node and the AMF, the following exceptions to the specification in
TS 38.413 shall be applied:
PDU SESSION RESOURCE SETUP REQUEST message:
-
the following IEs shall be ignored, when received:
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RAN Paging Priority IE
-
UE Aggregate Maximum Bit Rate IE (except for non-trusted non-3GPP access, trusted non-3GPP access and trusted WLAN access as specified in TS 23.501).
PDU SESSION RESOURCE RELEASE COMMAND message:
-
the following IEs shall be ignored, when received:
PDU SESSION RESOURCE MODIFY REQUEST message:
-
the following IEs shall be ignored, when received:
INITIAL CONTEXT SETUP REQUEST message:
-
the following IEs shall be ignored, when received:
-
Core Network Assistance Information for RRC INACTIVE IE
-
Trace Activation IE
-
Mobility Restriction List IE
-
UE Radio Capability IE
-
Index to RAT/Frequency Selection Priority IE
-
Emergency Fallback Indicator IE
-
RRC Inactive Transition Report Request IE
-
UE Radio Capability for Paging IE
-
Redirection for Voice EPS Fallback IE
-
Location Reporting Request Type IE
-
CN Assisted RAN Parameters Tuning IE
-
SRVCC Operation Possible IE
-
IAB Authorized IE
-
Enhanced Coverage Restriction IE
-
Extended Connected Time IE
-
UE Differentiation Information IE
-
NR V2X Services Authorized IE
-
LTE V2X Services Authorized IE
-
NR UE Sidelink Aggregate Maximum Bit Rate IE
-
LTE UE Sidelink Aggregate Maximum Bit Rate IE
-
PC5 QoS Parameters IE
-
CE-mode-B Restricted IE
-
UE User Plane CIoT Support Indicator IE
-
Management Based MDT PLMN List IE
-
UE Radio Capability ID IE
-
UE Aggregate Maximum Bit Rate IE (except for non-trusted non-3GPP access, trusted non-3GPP access and trusted WLAN access as specified in TS 23.501)
-
RG Level Wireline Access Characteristics IE: the information given within this IE between the W-AGF and the AMF shall be stored in the UE context by the W-AGF as specified in TS 23.316.
UE CONTEXT RELEASE COMPLETE message:
-
the following IEs shall be ignored, when received:
-
Information on Recommended Cells and RAN Nodes for Paging IE
-
Paging Assistance Data for CE Capable UE IE
UE CONTEXT MODIFICATION REQUEST message:
-
the following IEs shall be ignored, when received:
-
RAN Paging Priority IE
-
Index to RAT/Frequency Selection Priority IE
-
Core Network Assistance Information IE
-
Emergency Fallback Indicator IE
-
RRC Inactive Transition Report Request IE
-
CN Assisted RAN Parameters Tuning IE
-
SRVCC Operation Possible IE
-
IAB Authorized IE
-
NR V2X Services Authorized IE
-
LTE V2X Services Authorized IE
-
NR UE Sidelink Aggregate Maximum Bit Rate IE
-
LTE UE Sidelink Aggregate Maximum Bit Rate IE
-
PC5 QoS Parameters IE
-
UE Radio Capability ID IE
-
UE Aggregate Maximum Bit Rate IE (except for non-trusted non-3GPP access, trusted non-3GPP access and trusted WLAN access as specified in TS 23.501)
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if this is the first message received from a new AMF, the N3IWF shall identify the old AMF and the UE using the received RAN UE NGAP ID, release the UE-associated logical NG-connection to the old AMF and create a new UE-associated logical NG-connection to the new AMF.
-
RG Level Wireline Access Characteristics IE: the information given within this IE between the W-AGF and the AMF shall be stored in the UE context by the W-AGF as specified in TS 23.316.
UE CONTEXT MODIFICATION RESPONSE message:
-
the following IEs shall be ignored, when received:
INITIAL UE MESSAGE message:
-
the following IEs shall be ignored, when received:
-
IAB Node Indication IE
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CE-mode-B Support Indicator IE
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LTE-M Indication IE
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EDT Session IE
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NPN Access Information IE
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RRC Establishment Cause IE: the information given within this IE is to indicate the Establishment cause for non-3GPP access as specified in TS 24.502.
-
Selected PLMN Identity IE: the information given within this IE provides the selected PLMN ID for untrusted non-3GPP access as specified in TS 23.502.
-
Authenticated Indication IE: the information given within this IE between the W-AGF and the AMF is to indicate that the FN-RG has been authenticated by the wireline 5G access network as specified in TS 23.316.
-
Selected PLMN Identity IE: the information given within this IE contains the PLMN Identity for wireline access as specified in TS 23.316, or for trusted non-3GPP access as specified in TS 23.502.
DOWNLINK NAS TRANSPORT message:
-
the following IEs shall be ignored, when received:
-
RAN Paging Priority IE
-
Mobility Restriction List IE
-
Index to RAT/Frequency Selection Priority IE
-
SRVCC Operation Possible IE
-
Enhanced Coverage Restriction IE
-
Extended Connected Time IE
-
UE Differentiation Information IE
-
CE-mode-B Restricted IE
-
UE Radio Capability IE
-
UE Capability Info Request IE
-
End Indication IE
-
UE Radio Capability ID IE
-
UE Aggregate Maximum Bit Rate IE (except for non-trusted non-3GPP access, trusted non-3GPP access and trusted WLAN access as specified in TS 23.501)
UPLINK NAS TRANSPORT message:
-
TNGF Identity Information IE: the information given within this IE between the TNGF and the AMF contains a list of identifiers of NG-U terminations at TNGF as specified in TS 23.502.
-
TWIF Identity Information IE: the information given within this IE between the TWIF and the AMF contains a list of identifiers of NG-U terminations at TWIF as specified in TS 23.502.
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W-AGF Identity Information IE: the information given within this IE between the W-AGF and the AMF contains a list of identifiers of NG-U terminations at W-AGF as specified in TS 23.316.
NG SETUP REQUEST message:
-
the following IEs shall be ignored, when received:
-
Default Paging DRX IE
-
NB-IoT Default Paging DRX IE
NG SETUP RESPONSE message:
-
the following IEs shall be ignored, when received:
RAN CONFIGURATION UPDATE message:
-
the following IEs shall be ignored, when received:
-
Default Paging DRX IE
-
NB-IoT Default Paging DRX IE
OVERLOAD START message:
-
AMF Overload Response IE: if the Overload Action IE is included, the contained information is used to identify the related signalling traffic corresponding to the Establishment cause for non-3GPP access as specified in TS 24.502.
-
Slice Overload Response IE: if the Overload Action IE is included, the contained information is used to identify the related signalling traffic corresponding to the Establishment cause for non-3GPP access as specified in TS 24.502.
The Global RAN Node ID IE in the applicable NGAP messages includes the following IEs as specified in
TS 38.413:
-
Global N3IWF ID IE for the untrusted non-3GPP access.
-
Global TNGF ID IE for the trusted non-3GPP access.
-
Global TWIF ID IE for the trusted WLAN access.
-
Global W-AGF ID IE for the wireline 5G access.
The User Location Information IE in the applicable NGAP messages includes the following IEs as specified in
TS 38.413:
-
IP address IE and port number IE for the untrusted non-3GPP access.
-
TNGF User Location Information IE for the trusted non-3GPP access.
-
TWIF User Location Information IE for the trusted WLAN access.
-
W-AGF User Location Information IE for the wireline 5G access.
The Security Key IE in the applicable NGAP messages includes the K
N3IWF, or the K
TNGF, or the K
TWIF, or the K
WAGF as specified in
TS 33.501.
The RAN UE NGAP ID IE in the applicable NGAP messages identifies the UE association over the NG interface within the N3IWF node, or the TNGF node, or the TWIF node, or the W-AGF node, as specified in
TS 38.413.