Content for TS 38.413 Word version: 18.0.0
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9.2.2 UE Context Management Messages
9.2.2.1 INITIAL CONTEXT SETUP REQUEST
9.2.2.2 INITIAL CONTEXT SETUP RESPONSE
9.2.2.3 INITIAL CONTEXT SETUP FAILURE
9.2.2.4 UE CONTEXT RELEASE REQUEST
9.2.2.5 UE CONTEXT RELEASE COMMAND
9.2.2.6 UE CONTEXT RELEASE COMPLETE
9.2.2.7 UE CONTEXT MODIFICATION REQUEST
9.2.2.8 UE CONTEXT MODIFICATION RESPONSE
9.2.2.9 UE CONTEXT MODIFICATION FAILURE
9.2.2.10 RRC INACTIVE TRANSITION REPORT
9.2.2.11 CONNECTION ESTABLISHMENT INDICATION
9.2.2.12 AMF CP RELOCATION INDICATION
9.2.2.13 RAN CP RELOCATION INDICATION
9.2.2.14 RETRIEVE UE INFORMATION
9.2.2.15 UE INFORMATION TRANSFER
9.2.2.16 UE CONTEXT SUSPEND REQUEST
9.2.2.17 UE CONTEXT SUSPEND RESPONSE
9.2.2.18 UE CONTEXT SUSPEND FAILURE
9.2.2.19 UE CONTEXT RESUME REQUEST
9.2.2.20 UE CONTEXT RESUME RESPONSE
9.2.2.21 UE CONTEXT RESUME FAILURE
9.2.2.22 MT COMMUNICATION HANDLING REQUEST
9.2.2.23 MT COMMUNICATION HANDLING RESPONSE
9.2.2.24 MT COMMUNICATION HANDLING FAILURE
9.2.2.25 RAN PAGING REQUEST
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9.2.2 UE Context Management Messages p. 141
9.2.2.1 INITIAL CONTEXT SETUP REQUEST p. 141
This message is sent by the AMF to request the setup of a UE context.
Direction:
AMF → NG-RAN node
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| Old AMF | O | AMF Name 9.3.3.21 | YES | reject | ||
| UE Aggregate Maximum Bit Rate | C-if | 9.3.1.58 | YES | reject | ||
| Core Network Assistance Information for RRC INACTIVE | O | 9.3.1.15 | YES | ignore | ||
| GUAMI | M | 9.3.3.3 | YES | reject | ||
| PDU Session Resource Setup Request List | 0..1 | YES | reject | |||
| >PDU Session Resource Setup Request Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>PDU Session NAS-PDU | O | NAS-PDU 9.3.3.4 | - | |||
| >>S-NSSAI | M | 9.3.1.24 | - | |||
| >>PDU Session Resource Setup Request Transfer | M | OCTET STRING | Containing the PDU Session Resource Setup Request Transfer IE specified in subclause 9.3.4.1. | - | ||
| >>PDU Session Expected UE Activity Behaviour | O | Expected UE Activity Behaviour
9.3.1.94 | Expected UE Activity Behaviour for the PDU Session. | YES | ignore | |
| Allowed NSSAI | M | 9.3.1.31 | Indicates the S-NSSAIs permitted by the network | YES | reject | |
| UE Security Capabilities | M | 9.3.1.86 | YES | reject | ||
| Security Key | M | 9.3.1.87 | YES | reject | ||
| Trace Activation | O | 9.3.1.14 | YES | ignore | ||
| Mobility Restriction List | O | 9.3.1.85 | YES | ignore | ||
| UE Radio Capability | O | 9.3.1.74 | YES | ignore | ||
| Index to RAT/Frequency Selection Priority | O | 9.3.1.61 | YES | ignore | ||
| Masked IMEISV | O | 9.3.1.54 | YES | ignore | ||
| NAS-PDU | O | 9.3.3.4 | YES | ignore | ||
| Emergency Fallback Indicator | O | 9.3.1.26 | YES | reject | ||
| RRC Inactive Transition Report Request | O | 9.3.1.91 | YES | ignore | ||
| UE Radio Capability for Paging | O | 9.3.1.68 | YES | ignore | ||
| Redirection for Voice EPS Fallback | O | 9.3.1.116 | YES | ignore | ||
| Location Reporting Request Type | O | 9.3.1.65 | YES | ignore | ||
| CN Assisted RAN Parameters Tuning | O | 9.3.1.119 | YES | ignore | ||
| SRVCC Operation Possible | O | 9.3.1.128 | YES | ignore | ||
| IAB Authorized | O | 9.3.1.129 | YES | ignore | ||
| Enhanced Coverage Restriction | O | 9.3.1.140 | YES | ignore | ||
| Extended Connected Time | O | 9.3.3.31 | YES | ignore | ||
| UE Differentiation Information | O | 9.3.1.144 | YES | ignore | ||
| NR V2X Services Authorized | O | 9.3.1.146 | YES | ignore | ||
| LTE V2X Services Authorized | O | 9.3.1.147 | YES | ignore | ||
| NR UE Sidelink Aggregate Maximum Bit Rate | O | 9.3.1.148 | This IE applies only if the UE is authorized for NR V2X services. | YES | ignore | |
| LTE UE Sidelink Aggregate Maximum Bit Rate | O | 9.3.1.149 | This IE applies only if the UE is authorized for LTE V2X services. | YES | ignore | |
| PC5 QoS Parameters | O | 9.3.1.150 | This IE applies only if the UE is authorized for NR V2X services. | YES | ignore | |
| CE-mode-B Restricted | O | 9.3.1.155 | YES | ignore | ||
| UE User Plane CIoT Support Indicator | O | 9.3.1.160 | YES | ignore | ||
| RG Level Wireline Access Characteristics | O | OCTET STRING | Specified in TS 23.316. Indicates the wireline access technology specific QoS information corresponding to a specific wireline access subscription. | YES | ignore | |
| Management Based MDT PLMN List | O | MDT PLMN List
9.3.1.168 | YES | ignore | ||
| UE Radio Capability ID | O | 9.3.1.142 | YES | reject | ||
| Time Synchronisation Assistance Information | O | 9.3.1.220 | YES | ignore | ||
| QMC Configuration Information | O | 9.3.1.223 | YES | ignore | ||
| Target NSSAI Information | O | 9.3.1.229 | YES | ignore | ||
| UE Slice Maximum Bit Rate List | O | 9.3.1.231 | YES | ignore | ||
| 5G ProSe Authorized | O | 9.3.1.233 | YES | ignore | ||
| 5G ProSe UE PC5 Aggregate Maximum Bit Rate | O | NR UE Sidelink Aggregate Maximum Bit Rate
9.3.1.148 | This IE applies only if the UE is authorized for 5G ProSe services. | YES | ignore | |
| 5G ProSe PC5 QoS Parameters | O | 9.3.1.234 | This IE applies only if the UE is authorized for 5G ProSe services. | YES | ignore | |
| Network Controlled Repeater Authorized | O | 9.3.1.245 | YES | ignore | ||
| Aerial UE Subscription Information | O | 9.3.1.246 | YES | ignore | ||
| NR A2X Services Authorized | O | 9.3.1.247 | YES | ignore | ||
| LTE A2X Services Authorized | O | 9.3.1.248 | YES | ignore | ||
| NR A2X UE PC5 Aggregate Maximum Bit Rate | O | NR UE Sidelink Aggregate Maximum Bit Rate
9.3.1.148 | This IE applies only if the UE is authorized for NR A2X services. | YES | ignore | |
| LTE A2X UE PC5 Aggregate Maximum Bit Rate | O | LTE UE Sidelink Aggregate Maximum Bit Rate
9.3.1.149 | This IE applies only if the UE is authorized for LTE A2X services. | YES | ignore | |
| A2X PC5 QoS Parameters | O | 9.3.1.249 | This IE applies only if the UE is authorized for A2X services. | YES | ignore | |
| Mobile IAB Authorized | O | 9.3.1.259 | YES | ignore | ||
| Partially Allowed NSSAI | O | 9.3.1.261 | Indicates the S-NSSAIs partially permitted by the network. | YES | ignore |
| Range bound | Explanation |
|---|---|
| maxnoofPDUSessions | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
| Condition | Explanation |
|---|---|
| ifPDUsessionResourceSetup | This IE shall be present if the PDU Session Resource Setup List IE is present. |
9.2.2.2 INITIAL CONTEXT SETUP RESPONSE p. 144
This message is sent by the NG-RAN node to confirm the setup of a UE context.
Direction:
NG-RAN node → AMF
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| PDU Session Resource Setup Response List | 0..1 | YES | ignore | |||
| >PDU Session Resource Setup Response Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>PDU Session Resource Setup Response Transfer | M | OCTET STRING | Containing the PDU Session Resource Setup Response Transfer IE specified in subclause 9.3.4.2. | - | ||
| PDU Session Resource Failed to Setup List | 0..1 | YES | ignore | |||
| >PDU Session Resource Failed to Setup Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>PDU Session Resource Setup Unsuccessful Transfer | M | OCTET STRING | Containing the PDU Session Resource Setup Unsuccessful Transfer IE specified in subclause 9.3.4.16. | - | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore |
| Range bound | Explanation |
|---|---|
| maxnoofPDUSessions | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
9.2.2.3 INITIAL CONTEXT SETUP FAILURE p. 145
This message is sent by the NG-RAN node to indicate that the setup of the UE context was unsuccessful.
Direction:
NG-RAN node → AMF
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| PDU Session Resource Failed to Setup List | 0..1 | YES | ignore | |||
| >PDU Session Resource Failed to Setup Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>PDU Session Resource Setup Unsuccessful Transfer | M | OCTET STRING | Containing the PDU Session Resource Setup Unsuccessful Transfer IE specified in subclause 9.3.4.16. | - | ||
| Cause | M | 9.3.1.2 | YES | ignore | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore |
| Range bound | Explanation |
|---|---|
| maxnoofPDUSessions | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
9.2.2.4 UE CONTEXT RELEASE REQUEST p. 145
This message is sent by the NG-RAN node to request the release of the UE-associated logical NG-connection over the NG interface.
Direction:
NG-RAN node → AMF
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | ignore | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| PDU Session Resource List | 0..1 | YES | reject | |||
| >PDU Session Resource Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| Cause | M | 9.3.1.2 | YES | ignore |
| Range bound | Explanation |
|---|---|
| maxnoofPDUSessions | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
9.2.2.5 UE CONTEXT RELEASE COMMAND p. 146
This message is sent by the AMF to request the release of the UE-associated logical NG-connection over the NG interface.
Direction:
AMF → NG-RAN node
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| CHOICE UE NGAP IDs | M | YES | reject | |||
| >UE NGAP ID pair | ||||||
| >>AMF UE NGAP ID | M | 9.3.3.1 | - | |||
| >>RAN UE NGAP ID | M | 9.3.3.2 | - | |||
| >AMF UE NGAP ID | ||||||
| >>AMF UE NGAP ID | M | 9.3.3.1 | - | |||
| Cause | M | 9.3.1.2 | YES | ignore |
9.2.2.6 UE CONTEXT RELEASE COMPLETE p. 146
This message is sent by the NG-RAN node to confirm the release of the UE-associated logical NG-connection over the NG interface.
Direction:
NG-RAN node → AMF
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| User Location Information | O | 9.3.1.16 | YES | ignore | ||
| Information on Recommended Cells and RAN Nodes for Paging | O | 9.3.1.100 | YES | ignore | ||
| PDU Session Resource List | 0..1 | YES | reject | |||
| >PDU Session Resource Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>PDU Session Resource Release Response Transfer | O | OCTET STRING | Containing the PDU Session Resource Release Response Transfer IE specified in subclause 9.3.4.21. | YES | ignore | |
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore | ||
| Paging Assistance Data for CE Capable UE | O | 9.3.1.141 | YES | ignore |
| Range bound | Explanation |
|---|---|
| maxnoof | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
9.2.2.7 UE CONTEXT MODIFICATION REQUEST p. 146
This message is sent by the AMF to provide UE Context information changes to the NG-RAN node.
Direction:
AMF → NG-RAN node
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| RAN Paging Priority | O | 9.3.3.15 | YES | ignore | ||
| Security Key | O | 9.3.1.87 | YES | reject | ||
| Index to RAT/Frequency Selection Priority | O | 9.3.1.61 | YES | ignore | ||
| UE Aggregate Maximum Bit Rate | O | 9.3.1.58 | YES | ignore | ||
| UE Security Capabilities | O | 9.3.1.86 | YES | reject | ||
| Core Network Assistance Information for RRC INACTIVE | O | 9.3.1.15 | YES | ignore | ||
| Emergency Fallback Indicator | O | 9.3.1.26 | YES | reject | ||
| New AMF UE NGAP ID | O | AMF UE NGAP ID 9.3.3.1 | YES | reject | ||
| RRC Inactive Transition Report Request | O | 9.3.1.91 | YES | ignore | ||
| New GUAMI | O | GUAMI 9.3.3.3 | YES | reject | ||
| CN Assisted RAN Parameters Tuning | O | 9.3.1.119 | YES | ignore | ||
| SRVCC Operation Possible | O | 9.3.1.128 | YES | ignore | ||
| IAB Authorized | O | 9.3.1.129 | YES | ignore | ||
| NR V2X Services Authorized | O | 9.3.1.146 | YES | ignore | ||
| LTE V2X Services Authorized | O | 9.3.1.147 | YES | ignore | ||
| NR UE Sidelink Aggregate Maximum Bit Rate | O | 9.3.1.148 | This IE applies only if the UE is authorized for NR V2X services. | YES | ignore | |
| LTE UE Sidelink Aggregate Maximum Bit Rate | O | 9.3.1.149 | This IE applies only if the UE is authorized for LTE V2X services. | YES | ignore | |
| PC5 QoS Parameters | O | 9.3.1.150 | This IE applies only if the UE is authorized for NR V2X services. | YES | ignore | |
| UE Radio Capability ID | O | 9.3.1.142 | YES | reject | ||
| RG Level Wireline Access Characteristics | O | OCTET STRING | Specified in TS 23.316. Indicates the wireline access technology specific QoS information corresponding to a specific wireline access subscription. | YES | ignore | |
| Time Synchronisation Assistance Information | O | 9.3.1.220 | YES | ignore | ||
| QMC Configuration Information | O | 9.3.1.223 | YES | ignore | ||
| QMC Deactivation | O | 9.3.1.222 | YES | ignore | ||
| UE Slice Maximum Bit Rate List | O | 9.3.1.231 | YES | ignore | ||
| Management Based MDT PLMN Modification List | O | MDT PLMN Modification List 9.3.1.243 | YES | ignore | ||
| 5G ProSe Authorized | O | 9.3.1.233 | YES | ignore | ||
| 5G ProSe UE PC5 Aggregate Maximum Bit Rate | O | NR UE Sidelink Aggregate Maximum Bit Rate 9.3.1.148 | This IE applies only if the UE is authorized for 5G ProSe services. | YES | ignore | |
| 5G ProSe PC5 QoS Parameters | O | 9.3.1.234 | This IE applies only if the UE is authorized for 5G ProSe services. | YES | ignore | |
| Network Controlled Repeater Authorized | O | 9.3.1.245 | YES | ignore | ||
| Aerial UE Subscription Information | O | 9.3.1.246 | YES | ignore | ||
| NR A2X Services Authorized | O | 9.3.1.247 | YES | ignore | ||
| LTE A2X Services Authorized | O | 9.3.1.248 | YES | ignore | ||
| NR A2X UE PC5 Aggregate Maximum Bit Rate | O | NR UE Sidelink Aggregate Maximum Bit Rate
9.3.1.148 | This IE applies only if the UE is authorized for NR A2X services. | YES | ignore | |
| LTE A2X UE PC5 Aggregate Maximum Bit Rate | O | LTE UE Sidelink Aggregate Maximum Bit Rate
9.3.1.149 | This IE applies only if the UE is authorized for LTE A2X services. | YES | ignore | |
| A2X PC5 QoS Parameters | O | 9.3.1.249 | This IE applies only if the UE is authorized for A2X services. | YES | ignore | |
| Mobile IAB Authorized | O | 9.3.1.259 | YES | ignore |
9.2.2.8 UE CONTEXT MODIFICATION RESPONSE p. 148
This message is sent by the NG-RAN node to confirm the performed UE context updates.
Direction:
NG-RAN node → AMF
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| RRC State | O | 9.3.1.92 | YES | ignore | ||
| User Location Information | O | 9.3.1.16 | YES | ignore | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore |
9.2.2.9 UE CONTEXT MODIFICATION FAILURE p. 148
This message is sent by the NG-RAN node in case the performed UE context update is not successful.
Direction:
NG-RAN node → AMF
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| Cause | M | 9.3.1.2 | YES | ignore | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore |
9.2.2.10 RRC INACTIVE TRANSITION REPORT p. 149
This message is sent by the NG-RAN node to notify the 5GC the UE enters or leaves RRC_INACTIVE state.
Direction:
NG-RAN node → AMF
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | ignore | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| RRC State | M | 9.3.1.92 | YES | ignore | ||
| User Location Information | M | 9.3.1.16 | YES | ignore |
9.2.2.11 CONNECTION ESTABLISHMENT INDICATION |R16| p. 149
This message is sent by the AMF to complete the establishment of the UE-associated logical NG-connection.
Direction:
AMF → NG-RAN node
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| UE Radio Capability | O | 9.3.1.74 | YES | ignore | ||
| End Indication | O | 9.3.3.32 | YES | ignore | ||
| S-NSSAI | O | 9.3.1.24 | YES | ignore | ||
| Allowed NSSAI | O | 9.3.1.31 | Indicates the S-NSSAIs permitted by the network | YES | ignore | |
| UE Differentiation Information | O | 9.3.1.144 | YES | ignore | ||
| DL CP Security Information | O | 9.3.3.49 | YES | ignore | ||
| NB-IoT UE Priority | O | 9.3.1.145 | YES | ignore | ||
| Enhanced Coverage Restriction | O | 9.3.1.140 | YES | ignore | ||
| CE-mode-B Restricted | O | 9.3.1.155 | YES | ignore | ||
| UE Radio Capability ID | O | 9.3.1.142 | YES | reject | ||
| Masked IMEISV | O | 9.3.1.54 | YES | ignore | ||
| Old AMF | O | AMF Name
9.3.3.21 | YES | reject | ||
| Partially Allowed NSSAI | O | 9.3.1.261 | Indicates the S-NSSAIs partially permitted by the network. | YES | ignore |
9.2.2.12 AMF CP RELOCATION INDICATION |R16| p. 150
This message is sent by the AMF to inform the NG-RAN node that the UE is to be relocated as described in TS. 38.300 [8].
Direction:
AMF → NG-RAN node.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| S-NSSAI | O | 9.3.1.24 | YES | ignore | ||
| Allowed NSSAI | O | 9.3.1.31 | Indicates the S-NSSAIs permitted by the network | YES | ignore | |
| Partially Allowed NSSAI | O | 9.3.1.261 | Indicates the S-NSSAIs partially permitted by the network. | YES | ignore |
9.2.2.13 RAN CP RELOCATION INDICATION |R16| p. 150
This message is sent by the NG-RAN node to initiate the establishment of a UE-associated logical NG-connection, following the reception of re-establishment request.
Direction:
NG-RAN node → AMF.
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| 5G-S-TMSI | M | 9.3.3.20 | YES | reject | ||
| E-UTRA CGI | M | 9.3.1.9 | YES | ignore | ||
| TAI | M | 9.3.3.11 | YES | ignore | ||
| UL CP Security Information | M | 9.3.3.48 | YES | reject |
9.2.2.14 RETRIEVE UE INFORMATION |R16| p. 150
The message is sent by the NG-RAN node to request UE 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 Type | M | 9.3.1.1 | YES | reject | ||
| 5G-S-TMSI | M | 9.3.3.20 | YES | reject |
9.2.2.15 UE INFORMATION TRANSFER |R16| p. 150
The message is sent by the AMF to transfer UE 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 Type | M | 9.3.1.1 | YES | reject | ||
| 5G-S-TMSI | M | 9.3.3.20 | YES | reject | ||
| NB-IoT UE Priority | O | 9.3.1.145 | YES | ignore | ||
| UE Radio Capability | O | 9.3.1.74 | YES | ignore | ||
| S-NSSAI | O | 9.3.1.24 | YES | ignore | ||
| Allowed NSSAI | O | 9.3.1.31 | Indicates the S-NSSAIs permitted by the network | YES | ignore | |
| UE Differentiation Information | O | 9.3.1.144 | YES | ignore | ||
| Masked IMEISV | O | 9.3.1.54 | YES | ignore | ||
| Partially Allowed NSSAI | O | 9.3.1.261 | Indicates the S-NSSAIs partially permitted by the network. | YES | ignore |
9.2.2.16 UE CONTEXT SUSPEND REQUEST |R16| p. 151
This message is sent by the NG-RAN node to request the AMF to suspend the UE context and the related PDU session contexts.
Direction:
NG-RAN node → AMF
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| Information on Recommended Cells and RAN Nodes for Paging | O | 9.3.1.100 | YES | ignore | ||
| Paging Assistance Data for CE Capable UE | O | 9.3.1.141 | YES | ignore | ||
| PDU Session Resource Suspend List | 0..1 | YES | reject | |||
| >PDU Session Resource Suspend Item | 1..<maxnoofPDUSessions> | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>UE Context Suspend Request Transfer | M | Containing the UE Context Suspend Request Transfer IE specified in subclause 9.3.4.26. | - |
| Range bound | Explanation |
|---|---|
| maxnoofPDUSessions | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
9.2.2.17 UE CONTEXT SUSPEND RESPONSE |R16| p. 151
This message is sent by the AMF to indicate to the NG-RAN node the UE context and the related PDU session contexts have been suspended.
Direction:
AMF → NG-RAN node
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| Security Context | O | 9.3.1.88 | YES | reject | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore |
9.2.2.18 UE CONTEXT SUSPEND FAILURE |R16| p. 152
This message is sent by the AMF to indicate to the NG-RAN node that suspension of the UE context has failed in the 5GC.
Direction:
AMF → NG-RAN node
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| Cause | M | 9.3.1.2 | YES | ignore | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore |
9.2.2.19 UE CONTEXT RESUME REQUEST |R16| p. 152
This message is sent by the NG-RAN node to request the AMF to resume the UE-associated logical NG-connection and UE context.
Direction:
NG-RAN node → AMF
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| RRC Resume Cause | M | RRC Establishment Cause 9.3.1.111 | YES | ignore | ||
| PDU Session Resource Resume List | 0..1 | YES | reject | |||
| >PDU Session Resource Resume Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>UE Context Resume Request Transfer | M | OCTET STRING | Containing the UE Context Resume Request Transfer IE specified in subclause 9.3.4.24 | - | ||
| PDU Session Resource Failed to Resume List | 0..1 | YES | reject | |||
| >PDU Session Resource Failed to Resume Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>Cause | M | 9.3.1.2 | - | |||
| Suspend Request Indication | O | 9.3.1.158 | YES | ignore | ||
| Information on Recommended Cells and RAN Nodes for Paging | O | 9.3.1.100 | YES | ignore | ||
| Paging Assistance Data for CE Capable UE | O | 9.3.1.141 | YES | ignore |
| Range bound | Explanation |
|---|---|
| maxnoof | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
9.2.2.20 UE CONTEXT RESUME RESPONSE |R16| p. 153
This message is sent by the AMF to indicate to the NG-RAN node that the UE context and the related PDU session contexts have been resumed in the 5GC.
Direction:
AMF → NG-RAN node
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| PDU Session Resource Resume List | 0..1 | YES | reject | |||
| >PDU Session Resource Resume Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>UE Context Resume Response Transfer | M | OCTET STRING | Containing the UE Context Resume Response Transfer IE specified in subclause 9.3.4.25 | - | ||
| PDU Session Resource Failed to Resume List | 0..1 | YES | reject | |||
| >PDU Session Resource Failed to Resume Item | 1..<maxnoof | - | ||||
| >>PDU Session ID | M | 9.3.1.50 | - | |||
| >>Cause | M | 9.3.1.2 | - | |||
| Security Context | O | 9.3.1.88 | YES | reject | ||
| Suspend Response Indication | O | 9.3.1.159 | YES | ignore | ||
| Extended Connected Time | O | 9.3.3.31 | YES | ignore | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore |
| Range bound | Explanation |
|---|---|
| maxnoof | Maximum no. of PDU sessions allowed towards one UE. Value is 256. |
9.2.2.21 UE CONTEXT RESUME FAILURE |R16| p. 154
This message is sent by the AMF to indicate to the NG-RAN node that resumption of the UE context and the related PDU session contexts has failed in the 5GC.
Direction:
AMF → NG-RAN node
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| Cause | M | 9.3.1.2 | YES | ignore | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore |
9.2.2.22 MT COMMUNICATION HANDLING REQUEST |R18| p. 154
This message is sent by the NG-RAN node to the AMF to request activating or deactivating CN based MT communication handling for UEs in RRC_INACTIVE state with long eDRX beyond 10.24 seconds as specified in TS 23.501.
Direction:
NG-RAN node → AMF
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| CHOICE 5GC Action | M | YES | reject | |||
| >HLCom Activate | ||||||
| >>NR Paging Long eDRX Information for RRC INACTIVE | M | 9.3.3.64 | - | |||
| >HLcom Deactivate | ||||||
| >>UE Reachability Indication | M | ENUMERATED (true, …) | - |
9.2.2.23 MT COMMUNICATION HANDLING RESPONSE |R18| p. 155
This message is sent by the AMF to indicate that CN based MT Communication handling was successfully activated or deactivated, as specified in TS 23.501.
Direction:
AMF → NG-RAN node
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore |
9.2.2.24 MT COMMUNICATION HANDLING FAILURE |R18| p. 155
This message is sent by the AMF to indicate that CN based MT Communication handling was unsuccessful.
Direction:
NG-RAN node → AMF
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | reject | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | reject | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | reject | ||
| Cause | M | 9.3.1.2 | YES | ignore | ||
| Criticality Diagnostics | O | 9.3.1.3 | YES | ignore |
9.2.2.25 RAN PAGING REQUEST |R18| p. 155
This message is sent by the AMF to request RAN Paging due to MT data buffered in 5GC or the arrival of DL signalling for the UE.
Direction:
AMF → NG-RAN
| IE/Group Name | Presence | Range | IE type and reference | Semantics description | Criticality | Assigned Criticality |
|---|---|---|---|---|---|---|
| Message Type | M | 9.3.1.1 | YES | ignore | ||
| AMF UE NGAP ID | M | 9.3.3.1 | YES | ignore | ||
| RAN UE NGAP ID | M | 9.3.3.2 | YES | ignore | ||
| Paging Policy Differentiation | O | 9.3.3.63 | YES | ignore | ||
| DL Signalling | O | ENUMERATED (true, …) | YES | ignore |
