ETSI TS 129 558 V18.11.0 (2026-03)

5G; Enabling Edge Applications; Application Programming Interface (API) specification; Stage 3 (3GPP TS 29.558 version 18.11.0 Release 18)

RTS/TSGC-0329558vib0

General Information

• Status: Not Published
• Technical Committee: 3GPP CT 3 - Interworking with external networks (formely CN3)
• Current Stage: 8 - Draft receipt by ETSI Secretariat
• Completion Date: 10-Mar-2026

Standards Content (Sample)

TECHNICAL SPECIFICATION
5G;
Enabling Edge Applications;
Application Programming Interface (API) specification;
Stage 3
(3GPP TS 29.558 version 18.11.0 Release 18)


3GPP TS 29.558 version 18.11.0 Release 18 1 ETSI TS 129 558 V18.11.0 (2026-03)

Reference
RTS/TSGC-0329558vib0
Keywords
5G
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ETSI
3GPP TS 29.558 version 18.11.0 Release 18 2 ETSI TS 129 558 V18.11.0 (2026-03)
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ETSI
3GPP TS 29.558 version 18.11.0 Release 18 3 ETSI TS 129 558 V18.11.0 (2026-03)
Contents
Intellectual Property Rights . 2
Legal Notice . 2
Modal verbs terminology . 2
Foreword . 19
1 Scope . 21
2 References . 21
3 Definitions of terms, symbols and abbreviations . 22
3.1 Terms . 22
3.2 Symbols . 22
3.3 Abbreviations . 22
4 Overview . 23
5 Services offered by Edge Enabler Server . 23
5.1 Introduction . 23
5.2 Eees_EASRegistration Service . 25
5.2.1 Service Description . 25
5.2.2 Service Operations . 26
5.2.2.1 Introduction . 26
5.2.2.2 Eees_EASRegistration_Request . 26
5.2.2.2.1 General . 26
5.2.2.2.2 EAS registering to EES using Eees_EASRegistration_Request operation . 26
5.2.2.3 Eees_EASRegistration_Update . 26
5.2.2.3.1 General . 26
5.2.2.3.2 EAS updating registration information using Eees_EASRegistration_Update operation . 27
5.2.2.4 Eees_EASRegistration_Deregister . 27
5.2.2.4.1 General . 27
5.2.2.4.2 EAS deregistering from EES using Eees_EASRegistration_Deregister operation . 27
5.3 Eees_UELocation Service . 28
5.3.1 Service Description . 28
5.3.2 Service Operations . 28
5.3.2.1 Introduction . 28
5.3.2.2 Eees_UELocation_Get . 28
5.3.2.2.1 General . 28
5.3.2.2.2 EAS obtaining UE location information from EES using Eees_UELocation_Get operation . 28
5.3.2.2.3 User consent management . 29
5.3.2.3 Eees_UELocation_Subscribe . 29
5.3.2.3.1 General . 29
5.3.2.3.2 EAS subscribing to continuous UE(s) location reporting from EES using

Eees_UELocation_Subscribe operation . 29
5.3.2.3.3 User consent management . 30
5.3.2.4 Eees_UELocation_Notify . 31
5.3.2.4.1 General . 31
5.3.2.4.2 EES notifying the UE(s) location reporting to EAS using Eees_UELocation_Notify operation . 31
5.3.2.4.3 EES notifying the EAS about user consent revocation using Eees_UELocation_Notify

operation . 31
5.3.2.5 Eees_UELocation_UpdateSubscription . 32
5.3.2.5.1 General . 32
5.3.2.5.2 EAS updating continuous UE(s) location reporting subscription at EES using
Eees_UELocation_UpdateSubscribe operation . 32
5.3.2.5.3 User consent management . 32
5.3.2.6 Eees_UELocation_Unsubscribe . 33
5.3.2.6.1 General . 33
5.3.2.6.2 EAS unsubscribing to continuous UE(s) location reporting from EES using
Eees_UELocation_Unsubscribe operation . 33
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5.4 Eees_UEIdentifier Service . 34
5.4.1 Service Description . 34
5.4.2 Service Operations . 34
5.4.2.1 Introduction . 34
5.4.2.2 Eees_UEIdentifier_Get . 34
5.4.2.2.1 General . 34
5.4.2.2.1A EAS obtaining UE Identifier Information using "Get" custom operation . 34
5.4.2.2.2 EAS obtaining UE identifier from EES using Eees_UEIdentifier_Fetch custom operation . 35
5.5 Eees_AppClientInformation Service . 35
5.5.1 Service Description . 35
5.5.2 Service Operations . 35
5.5.2.1 Introduction . 35
5.5.2.2 Eees_AppClientInformation_Subscribe . 36
5.5.2.2.1 General . 36
5.5.2.2.2 EAS subscribing to AC information reporting from EES using
Eees_AppClientInformation_Subscribe operation . 36
5.5.2.3 Eees_AppClientInformation_Notify . 36
5.5.2.3.1 General . 36
5.5.2.3.2 EES notifying the AC information to EAS using Eees_AppClientInformation_Notify
operation . 37
5.5.2.4 Eees_AppClientInformation_UpdateSubscription . 37
5.5.2.4.1 General . 37
5.5.2.4.2 EAS updating AC information reporting subscription at EES using
Eees_AppClientInformation_UpdateSubscribe operation . 37
5.5.2.5 Eees_AppClientInformation_Unsubscribe . 38
5.5.2.5.1 General . 38
5.5.2.5.2 EAS unsubscribing to AC information reporting from EES using
Eees_AppClientInformation_Unsubscribe operation . 38
5.6 Eees_SessionWithQoS Service . 38
5.6.1 Service Description . 38
5.6.2 Service Operations . 38
5.6.2.1 Introduction . 38
5.6.2.2 Eees_SessionWithQoS_Create. 39
5.6.2.2.1 General . 39
5.6.2.2.2 EAS requesting reservation of resources for a data session between AC and EAS with
specific QoS using Eees_SessionWithQoS operation . 39
5.6.2.3 Eees_SessionWithQoS_Update . 40
5.6.2.3.1 General . 40
5.6.2.3.2 EAS updating QoS of a data session between AC and EAS using
Eees_SessionWithQoS_Update operation . 40
5.6.2.4 Eees_SessionWithQoS_Revoke . 41
5.6.2.4.1 General . 41
5.6.2.4.2 EAS revoking QoS of a data session between AC and EAS using
Eees_SessionWithQoS_Revoke operation . 41
5.6.2.5 Eees_SessionWithQoS_Notify. 42
5.6.2.5.1 General . 42
5.6.2.5.2 EES notifying QoS of a data session between AC and EAS using
Eees_SessionWithQoS_Notify operation . 42
5.7 Eees_EASDiscovery Service. 42
5.7.1 Service Description . 42
5.7.2 Service Operations . 42
5.7.2.1 Introduction . 42
5.7.2.2 Eees_EASDiscovery_TEasDiscRequest . 42
5.7.2.2.1 General . 42
5.7.2.2.2 Service consumer requesting T-EAS discovery information using
Eees_EASDiscovery_TEasDiscRequest operation . 43
5.8 Eees_ACRManagementEvent Service . 43
5.8.1 Service Description . 43
5.8.2 Service Operations . 43
5.8.2.1 Introduction . 43
5.8.2.2 Eees_ACRManagementEvent_Subscribe . 44
5.8.2.2.1 General . 44
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5.8.2.2.2 Service consumer requesting to get notifications of ACR management events using
Eees_ACRManagementEvent_Subscribe service operation . 44
5.8.2.3 Eees_ACRManagementEvent_UpdateSubscription . 44
5.8.2.3.1 General . 44
5.8.2.3.2 Service consumer updating an existing Individual ACR Management Events Subscription
using Eees_ACRManagementEvent_UpdateSubscription service operation . 44
5.8.2.4 Eees_ACRManagementEvent_Unsubscribe . 45
5.8.2.4.1 General . 45
5.8.2.4.2 Service consumer deleting an existing Individual ACR Management Events Subscription
using Eees_ACRManagementEvent_Unsubscribe service operation . 45
5.8.2.5 Eees_ACRManagementEvent_Notify. 45
5.8.2.5.1 General . 45
5.8.2.5.2 EES notifying ACR management events using Eees_ACRManagementEvent_Notify
operation . 46
5.8.2.5.3 EES notifying the availability of user path management events monitoring via the 3GPP 5GC
network using Eees_ACRManagementEvent_Notify operation . 46
5.9 Eees_AppContextRelocation Service . 46
5.9.1 Service Description . 46
5.9.2 Service Operations . 47
5.9.2.1 Introduction . 47
5.9.2.2 Eees_AppContextRelocation_SelectedTargetEAS_Declare . 47
5.9.2.2.1 General . 47
5.9.2.2.2 S-EAS informing the S-EES about the selected T-EAS using
Eees_AppContextRelocation_SelectedTargetEAS_Declare operation . 47
5.9.2.3 Eees_AppContextRelocation_ACRDetermination_Request . 47
5.9.2.3.1 General . 47
5.9.2.3.2 S-EAS request the S-EES to determine the ACR using
Eees_AppContextRelocation_ACRDetermination_Request operation . 48
5.10 Eees_EECContextRelocation Service . 48
5.10.1 Service Description . 48
5.10.2 Service Operations . 48
5.10.2.1 Introduction . 48
5.10.2.2 Eees_EECContextRelocation_Pull . 49
5.10.2.2.1 General . 49
5.10.2.2.2 Service consumer pulling the EEC context information from the EES using the
Eees_EECContextRelocation_Pull operation . 49
5.10.2.3 Eees_EECContextRelocation_Push . 49
5.10.2.3.1 General . 49
5.10.2.3.2 Service consumer pushing the EEC context information to the EES using the
Eees_EECContextRelocation_Push operation . 49
5.11 Eees_EELManagedACR Service . 50
5.11.1 Service Description . 50
5.11.2 Service Operations . 50
5.11.2.1 Introduction . 50
5.11.2.2 Eees_EELManagedACR_Request . 50
5.11.2.2.1 General . 50
5.11.2.2.2 EEL Managed ACR Request . 50
5.11.2.3 Eees_EELManagedACR_Subscribe . 51
5.11.2.3.1 General . 51
5.11.2.3.2 Subscribe to ACT status information reporting . 51
5.11.2.4 Eees_EELManagedACR_Notify . 51
5.11.2.4.1 General . 51
5.11.2.4.2 ACT Status Notification . 51
5.12 Eees_ACRStatusUpdate Service . 52
5.12.1 Service Description . 52
5.12.2 Service Operations . 52
5.12.2.1 Introduction . 52
5.12.2.2 Eees_ACRStatusUpdate_Request . 52
5.12.2.2.1 General . 52
5.12.2.2.2 ACR Status Update Request . 52
5.13 Eees_ACRParameterInformation Service . 53
5.13.1 Service Description . 53
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5.13.2 Service Operations . 53
5.13.2.1 Introduction . 53
5.13.2.2 Eees_ACRParameterInformation_Request . 53
5.13.2.2.1 General . 53
5.13.2.2.2 ACR Parameters Information Request . 53
5.14 Eees_CommonEASAnnouncement Service . 54
5.14.1 Service Description . 54
5.14.2 Service Operations . 54
5.14.2.1 Introduction . 54
5.14.2.2 Eees_CommonEASAnnouncement_Declare . 54
5.14.2.2.1 General . 54
5.14.2.2.2 Common EAS Information Declaration . 54
5.15 Eees_TrafficInfluenceEAS Service . 55
5.15.1 Service Description . 55
5.15.2 Service Operations . 55
5.15.2.1 Introduction . 55
5.15.2.2 Eees_TrafficInfluenceEAS_Manage . 55
5.15.2.2.1 General . 55
5.15.2.2.2 Application Traffic Influence Initiation . 55
5.15.2.2.3 Application Traffic Influence Update . 56
5.15.2.2.4 Application Traffic Influence Cancellation . 56
5.15.2.2.5 Application Traffic Influence Retrieval . 56
6 Services offered by Edge Configuration Server . 57
6.1 Introduction . 57
6.2 Eecs_EESRegistration Service . 58
6.2.1 Service Description . 58
6.2.2 Service Operations . 58
6.2.2.1 Introduction . 58
6.2.2.2 Eecs_EESRegistration_Request . 58
6.2.2.2.1 General . 58
6.2.2.2.2 EES registering to ECS using Eecs_EESRegistration_Request operation . 58
6.2.2.3 Eecs_EESRegistration_Update . 59
6.2.2.3.1 General . 59
6.2.2.3.2 EES updating registration information using Eecs_EESRegistration_Update operation . 59
6.2.2.4 Eecs_EESRegistration_Deregister . 59
6.2.2.4.1 General . 59
6.2.2.4.2 EES deregistering from ECS using Eecs_EESRegistration_Deregister operation . 60
6.3 Eecs_TargetEESDiscovery Service . 60
6.3.1 Service Description . 60
6.3.2 Service Operations . 60
6.3.2.1 Introduction . 60
6.3.2.2 Eecs_TargetEESDiscovery_Request. 60
6.3.2.2.1 General . 60
6.3.2.2.2 Service consumer fetching the target Enabler Server information from the ECS using
Eecs_TargetEESDiscovery_Request operation . 60
6.4 Eecs_EASInfoManagement Service . 61
6.4.1 Service Description . 61
6.4.2 Service Operations . 61
6.4.2.1 Introduction . 61
6.4.2.2 Eecs_EASInfoManagement_Get . 61
6.4.2.2.1 General . 61
6.4.2.2.2 Common EAS Binding Information Retrieval . 62
6.4.2.3 Eecs_EASInfoManagement_Store . 62
6.4.2.3.1 General . 62
6.4.2.3.2 Common EAS Binding Information Storage . 62
6.5 Eecs_ECSServiceProvisioning . 63
6.5.1 Service Description . 63
6.5.2.1 Introduction . 63
6.5.2.2 Eecs_ECSServiceProvisioning_Request . 63
6.5.2.2.1 General . 63
6.5.2.2.2 Service Provisioning Information Retrieval Request . 63
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6.5.2.3 Eecs_ECSServiceProvisioning_Subscribe . 64
6.5.2.3.1 General . 64
6.5.2.3.2 Service Provisioning Subscription Creation . 64
6.5.2.4 Eecs_ECSServiceProvisioning_UpdateSubscription . 64
6.5.2.4.1 General . 64
6.5.2.4.2 Service Provisioning Subscription Update . 64
6.5.2.5 Eecs_ECSServiceProvisioning_Unsubscribe . 65
6.5.2.5.1 General . 65
6.5.2.5.2 Service Provisioning Subscription Deletion . 65
6.5.2.6 Eecs_ECSServiceProvisioning_Notify . 65
6.5.2.6.1 General . 65
6.5.2.6.2 Service Provisioning Notification. 65
6.6 Eecs_ECSDiscovery Service . 66
6.6.1 Service Description . 66
6.6.2 Service Operations . 66
6.6.2.1 Introduction . 66
6.6.2.2 Eecs_ECSDiscovery_Request . 66
6.6.2.2.1 General . 66
6.6.2.2.2 Service consumer fetching partner ECS information from the ECS using the
Eecs_ECSDiscovery_Request operation . 66
6.6.2.3 Eecs_ECSDiscovery_Request . 66
6.6.2.3.1 General . 66
6.6.2.3.2 ECS notifying the ECS information to the service consumer using
Eecs_ECSDiscovery_Notification operation .
...