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Content for  TS 38.413  Word version:  18.2.0

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9.2.4 Paging Messages  9.2.4.1 PAGING  9.2.4.2 MULTICAST GROUP PAGING  9.2.5 NAS Transport Messages  9.2.5.1 INITIAL UE MESSAGE  9.2.5.2 DOWNLINK NAS TRANSPORT  9.2.5.3 UPLINK NAS TRANSPORT  9.2.5.4 NAS NON DELIVERY INDICATION  9.2.5.5 REROUTE NAS REQUEST 
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9.2.4  Paging Messages  p. 172

9.2.4.1  PAGING  p. 172

This message is sent by the AMF and is used to page a UE in one or several tracking areas.
Direction:
AMF → NG-RAN node
IE/Group Name Pre­sence Range IE type and refe­rence Semantics description Criti­cality Assi­gned Criti­cality
Message TypeM 9.3.1.1YESignore
UE Paging IdentityM 9.3.3.18YESignore
Paging DRXO 9.3.1.90YESignore
TAI List for Paging1YESignore
>TAI List for Paging Item1..<maxnoofTAIforPaging>-
>>TAIM 9.3.3.11-
Paging PriorityO 9.3.1.78YESignore
UE Radio Capability for PagingO 9.3.1.68YESignore
Paging OriginO 9.3.3.22YESignore
Assistance Data for PagingO 9.3.1.69YESignore
NB-IoT Paging eDRX InformationO 9.3.1.138YESignore
NB-IoT Paging DRXO 9.3.1.139If this IE is present, the Paging DRX IE is ignored.YESignore
Enhanced Coverage RestrictionO 9.3.1.140YESignore
WUS Assistance InformationO 9.3.1.143YESignore
E-UTRA Paging eDRX InformationO 9.3.1.154YESignore
CE-mode-B RestrictedO 9.3.1.155YESignore
NR Paging eDRX InformationO 9.3.1.227YESignore
Paging CauseOENUMERATED (voice, …)YESignore
PEIPS Assistance InformationO 9.3.1.232YESignore
Range bound Explanation
maxnoofTAIforPagingMaximum no. of TAIs for paging. Value is 16.
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9.2.4.2  MULTICAST GROUP PAGING |R17|  p. 173

This message is sent by the AMF and is used to notify involved UEs about the activation of a multicast MBS session.
Direction:
AMF → NG-RAN node
IE/Group Name Pre­sence Range IE type and refe­rence Semantics description Criti­cality Assi­gned Criti­cality
Message TypeM 9.3.1.1YESignore
MBS Session IDM 9.3.1.206YESignore
MBS Service Area O 9.3.1.208YESignore
Multicast Group Paging Area List1YESignore
>Multicast Group Paging Area Item1..<maxnoofPagingAreas>-
>>Multicast Group Paging AreaM 9.3.1.216-
>>UE Paging List0..1-
>>>UE Paging Item1..<maxnoofUEsforPaging>-
>>>>UE Identity Index ValueM 9.3.3.23-
>>>>Paging DRXO 9.3.1.90-
Range bound Explanation
maxnoofPagingAreasMaximum no. of paging areas for multicast group paging. Value is 64.
maxnoofUEsforPagingMaximum no. of UEs allowed within one paging area for multicast group paging. Value is 4096.
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9.2.5  NAS Transport Messages  p. 174

9.2.5.1  INITIAL UE MESSAGE  p. 174

This message is sent by the NG-RAN node to transfer the initial layer 3 message to the AMF over the NG interface.
Direction:
NG-RAN node → AMF
IE/Group Name Pre­sence Range IE type and refe­rence Semantics description Criti­cality Assi­gned Criti­cality
Message TypeM 9.3.1.1YESignore
RAN UE NGAP IDM 9.3.3.2YESreject
NAS-PDUM 9.3.3.4YESreject
User Location InformationM 9.3.1.16YESreject
RRC Establishment CauseM 9.3.1.111YESignore
5G-S-TMSIO 9.3.3.20YESreject
AMF Set IDO 9.3.3.12YESignore
UE Context RequestOENUMERATED (requested, ...)YESignore
Allowed NSSAIO 9.3.1.31YESreject
Source to Target AMF Information RerouteO 9.3.3.27YESignore
Selected PLMN IdentityOPLMN Identity
9.3.3.5		Indicates the selected PLMN id for the non-3GPP access.YESignore
IAB Node IndicationOENUMERATED (true, ...)Indication of an IAB nodeYESreject
CE-mode-B Support IndicatorO 9.3.1.156YESreject
LTE-M IndicationO 9.3.1.157YESignore
EDT SessionOENUMERATED (true, …)YESignore
Authenticated IndicationOENUMERATED (true, …)Indicates the FN-RG has been authenticated by the access network.YESignore
NPN Access InformationO 9.3.3.46YESreject
RedCap IndicationO 9.3.1.228YESignore
Selected NIDONID
9.3.3.42		Indicates together with the Selected PLMN Identity IE, the selected SNPN Identity for the non-3GPP access.YESignore
Mobile IAB Node IndicationOENUMERATED (true, ...)Indicates that the UE is a mobile IAB-nodeYESreject
Partially Allowed NSSAIO
9.3.1.261		Indicates the S-NSSAIs partially permitted by the network.YESignore
eRedCap IndicationO ENUMERATED (true, ...)YESignore
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9.2.5.2  DOWNLINK NAS TRANSPORT  p. 175

This message is sent by the AMF and is used for carrying NAS information over the NG interface.
Direction:
AMF → NG-RAN node
IE/Group Name Pre­sence Range IE type and refe­rence Semantics description Criti­cality Assi­gned Criti­cality
Message TypeM 9.3.1.1YESignore
AMF UE NGAP IDM 9.3.3.1YESreject
RAN UE NGAP IDM 9.3.3.2YESreject
Old AMFOAMF Name
9.3.3.21		YESreject
RAN Paging PriorityO 9.3.3.15YESignore
NAS-PDUM 9.3.3.4YESreject
Mobility Restriction ListO 9.3.1.85YESignore
Index to RAT/Frequency Selection PriorityO 9.3.1.61YESignore
UE Aggregate Maximum Bit RateO 9.3.1.58YESignore
Allowed NSSAIO 9.3.1.31Indicates the S-NSSAIs permitted by the network.YESreject
SRVCC Operation PossibleO 9.3.1.128YESignore
Enhanced Coverage RestrictionO 9.3.1.140YESignore
Extended Connected TimeO 9.3.3.31YESignore
UE Differentiation InformationO 9.3.1.144YESignore
CE-mode-B RestrictedO 9.3.1.155YESignore
UE Radio CapabilityO 9.3.1.74YESignore
UE Capability Info RequestO 9.3.1.192YESignore
End IndicationO 9.3.3.32YESignore
UE Radio Capability IDO 9.3.1.142YESreject
Target NSSAI InformationO 9.3.1.229YESignore
Masked IMEISVO 9.3.1.54YESignore
Partially Allowed NSSAIO 9.3.1.261Indicates the S-NSSAIs partially permitted by the network.YESignore
Mobile IAB AuthorizedO 9.3.1.259YESignore
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9.2.5.3  UPLINK NAS TRANSPORT  p. 175

This message is sent by the NG-RAN node and is used for carrying NAS information over the NG interface.
Direction:
NG-RAN node → AMF
IE/Group Name Pre­sence Range IE type and refe­rence Semantics description Criti­cality Assi­gned Criti­cality
Message TypeM 9.3.1.1YESignore
AMF UE NGAP IDM 9.3.3.1YESreject
RAN UE NGAP IDM 9.3.3.2YESreject
NAS-PDUM 9.3.3.4YESreject
User Location InformationM 9.3.1.16YESignore
W-AGF Identity InformationOOCTET STRINGContaining the WAgfInfo IE specified in TS 29.510.YESreject
TNGF Identity InformationOOCTET STRINGContaining the TngfInfo IE specified in TS 29.510.YESreject
TWIF Identity InformationOOCTET STRINGContaining the TwifInfo IE specified in TS 29.510.YESreject
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9.2.5.4  NAS NON DELIVERY INDICATION  p. 176

This message is sent by the NG-RAN node and is used for reporting the non-delivery of a NAS PDU previously received within a DOWNLINK NAS TRANSPORT message or the NAS-PDU IE previously received within the PDU SESSION RESOURCE SETUP REQUEST message over the NG interface.
Direction:
NG-RAN node → AMF
IE/Group Name Pre­sence Range IE type and refe­rence Semantics description Criti­cality Assi­gned Criti­cality
Message TypeM 9.3.1.1YESignore
AMF UE NGAP IDM 9.3.3.1YESreject
RAN UE NGAP IDM 9.3.3.2YESreject
NAS-PDUM 9.3.3.4YESignore
CauseM 9.3.1.2YESignore
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9.2.5.5  REROUTE NAS REQUEST  p. 176

This message is sent by the AMF in order to request for a rerouting of the INITIAL UE MESSAGE to another AMF.
Direction:
AMF → NG-RAN node
IE/Group Name Pre­sence Range IE type and refe­rence Semantics description Criti­cality Assi­gned Criti­cality
Message TypeM 9.3.1.1YESreject
RAN UE NGAP IDM 9.3.3.2YESreject
AMF UE NGAP IDO 9.3.3.1YESignore
NGAP MessageMOCTET STRINGContains the INITIAL UE MESSAGEYESreject
AMF Set IDM 9.3.3.12YESreject
Allowed NSSAIO 9.3.1.31YESreject
Source to Target AMF Information RerouteO 9.3.3.27YESignore
Partially Allowed NSSAIO 9.3.1.261Indicates the S-NSSAIs partially permitted by the network.YESignore
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