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TS 23.554
Application architecture for MSGin5G Service

V19.8.0 (PDF)2025/12  … p.
V18.10.0  2025/09  144 p.
V17.2.0  2022/03  102 p.
Rapporteur:
Mr. Liu, Yue
China Mobile Com. Corporation

essential Table of Contents for  TS 23.554  Word version:  19.7.0

each title links to the equivalent title in the CONTENT
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List of Figures and Tables

Figure 5.2-1Application Architecture of the MSGin5G Service
Figure 5.2-2MSGin5G UE-2 using UE-1 as a relay
Figure 5.2-3MSGin5G UE-2 with MSGin5G Client interacts with an MSGin5G Gateway UE
Figure 5.2-4Interconnection between MSGin5G Servers
Figure 5.5.1-1MSGin5G adaptation to the CAPIF architecture
Figure 5.6.2-1Service based MSGin5G Architecture
Table 5.6.3-1Service based interfaces supported by MSGin5G Service
Figure 7.1-1The MSGin5G Service overview
Figure 7.3-1The message delivery flow at the MSGin5G Server
Table 8.1.2-1Additional Information in the Get VAL UE configuration request
Table 8.1.2-2Information in the Get VAL UE configuration response
Table 8.1.3-1Additional Information in the Get VAL UE configuration request
Table 8.1.3-2Information in the Get VAL UE configuration response
Table 8.1.4-1Information in the Get VAL UE configuration response to constrained device before bulk configuration is performed
Table 8.1.4-2additional Information in the Get VAL UE configuration request
Table 8.1.4-3additional Information in the Get VAL UE configuration response
Figure 8.2.1-1MSGin5G Client registration
Table 8.2.1-1MSGin5G UE registration request
Table 8.2.1-2MSGin5G Client Triggering Information
Table 8.2.1-3MSGin5G Client Communication Availability
Table 8.2.1-4MSGin5G UE registration response
Figure 8.2.2-1MSGin5G UE de-registration
Table 8.2.2-1MSGin5G UE de-registration request
Table 8.2.2-2MSGin5G UE de-registration response
Figure 8.2.3-1Non-MSGin5G UE registration
Table 8.2.3-1Non-MSGin5G UE registration request
Figure 8.2.4-1Non-MSGin5G UE de-registration
Table 8.2.4-1Non-MSGin5G UE de-registration request
Table 8.2.4-2Non-MSGin5G UE De-registration response
Figure 8.2.5-1Application Server registration
Figure 8.2.6-1Application Server de-registration
Figure 8.2.7-1MSGin5G Client bulk registration
Table 8.2.7-1MSGin5G UE registration request
Table 8.2.7-2bulk registration notification
Table 8.2.7-3MSGin5G UE bulk registration request
Table 8.2.7-4MSGin5G UE bulk registration response
Figure 8.2.8-1Constrained UE sending message to request configuration of the MSGin5G Gateway UE
Table 8.2.8-1Information elements for Request for gateway UE configuration
Table 8.2.8-2Information elements for Response for gateway UE configuration
Figure 8.2.8-2Constrained UE registering to use MSGin5G Gateway UE
Table 8.2.8-3Information elements for Gateway registration request
Table 8.2.8-4Gateway registration response
Figure 8.2.9-1Non-MSGin5G UE bulk registration
Table 8.2.9-1Non-MSGin5G UE bulk registration request
Table 8.2.9-2MSGin5G UE bulk registration response
Figure 8.2.10-1Non-MSGin5G UE bulk de-registration
Table 8.2.10-1Non-MSGin5G UE bulk de-registration request
Table 8.2.10-2Non-MSGin5G UE bulk de-registration response
Figure 8.2.11-1MSGin5G UE bulk de-registration
Table 8.2.11-1MSGin5G UE de-registration request
Table 8.2.11-2bulk de-registration notification
Table 8.2.11-3MSGin5G UE bulk de-registration request
Table 8.2.11-4MSGin5G UE bulk de-registration response
Figure 8.3.2-1New MSGin5G message request from UE
Figure 8.3.2-2Application Server initiates a request for sending an MSGin5G message
Figure 8.3.2-3New MSGin5G message request sending from Message Gateway
Table 8.3.2-1Request to MSGin5G Server for sending MSGin5G message
Table 8.3.2-2Store and forward parameters
Table 8.3.2-3Message response
Figure 8.3.3-1MSGin5G message towards UE
Figure 8.3.3-2Message towards an Application Server
Figure 8.3.3-3MSGin5G message towards a Message Gateway
Table 8.3.3-1MSGin5G message request from MSGin5G Server
Figure 8.3.4-1Message delivery status report from MSGin5G UE
Figure 8.3.4-2Message delivery status report from Application Server
Figure 8.3.4-3Message delivery status report from Message Gateway (on behalf of Non-MSGin5G UE)
Table 8.3.4-1Message delivery status report to MSGin5G Server
Figure 8.3.5-1Message delivery status report towards an MSGin5G UE
Figure 8.3.5-2Message delivery status report towards an Application Server
Figure 8.3.5-3Message delivery status report towards a Message Gateway
Table 8.3.5-1Message delivery status report to MSGin5G Server
Figure 8.3.6-1Store and forward procedure
Figure 8.3.6.1-1MSGin5G update stored message parameters
Table 8.3.6.1-1MSGin5G update stored message request
Table 8.3.6.1-2MSGin5G update stored message response
Figure 8.3.7-1MSGin5G deferred message procedure
Figure 8.4.2-1MSGin5G UE aggregates messages towards target MSGin5G UE
Figure 8.4.2-2MSGin5G UE aggregates messages towards target Application Server
Figure 8.4.2-3MSGin5G UE aggregates messages towards target Non-MSGin5G UE
Figure 8.4.2-4MSGin5G UE sends aggregated messages towards target MSGin5G Group
Figure 8.4.2-5MSGin5G UE sends aggregated messages towards target MSGin5G Group
Figure 8.4.2-6MSGin5G UE aggregates messages towards target Broadcast Area
Table 8.4.2-1Aggregated message request (MSGin5G Client to MSGin5G Server)
Table 8.4.2-2Individual message data
Table 8.4.2-3Aggregated message response (MSGin5G Server to MSGin5G Client)
Figure 8.4.3-1MSGin5G Server aggregates messages towards target MSGin5G UE
Figure 8.4.3-2MSGin5G Server aggregates messages towards target Non-MSGin5G UE
Figure 8.4.3-3MSGin5G Server delivers aggregated message towards Non-MSGin5G UEs in the Broadcast Area
Table 8.4.3-1Aggregated message request (MSGin5G Server to MSGin5G Client)
Figure 8.5.2-1Application-to-Point MSGin5G Message Segmentation and Reassembly
Table 8.5.2-2Message Received Confirmation Request Information Elements
Figure 8.5.3-1Point-to-Application MSGin5G Message Segmentation and Reassembly
Figure 8.5.4-1Point-to-Point MSGin5G Message Segmentation and Reassembly
Figure 8.5.6-1MSGin5G Message Segmentation and Reassembly
Table 8.5.6-1Segment Recovery Request Information Elements
Figure 8.6.1-1MSGin5G messaging procedure on Message Gateway.
Figure 8.6.2.1-1Legacy 3GPP UE receives a message from a group
Figure 8.6.2.2-1Non-3GPP message client receives a message from a group
Figure 8.7.1.1-1Message delivery between MSGin5G UEs
Figure 8.7.1.2-1Message delivery from MSGin5G UE to Legacy 3GPP UE
Figure 8.7.1.3-1Message Delivery from MSGin5G UE to Non-3GPP UE
Figure 8.7.1.4-1Legacy 3GPPs UE replies to MSGin5G UE
Figure 8.7.1.5-1Non-3GPP UE replies to MSGin5G UE
Figure 8.7.2.1-1Message delivery from Application Server to MSGin5G UE
Figure 8.7.2.2-1Application Server to Legacy 3GPP UE messaging
Figure 8.7.2.3-1Application Server to Non-3GPP UE messaging
Figure 8.7.3.1-1Message delivery from MSGin5G UE to Application Server
Figure 8.7.3.2-1Legacy 3GPP UE replies to Application Server
Figure 8.7.3.3-1Non-3GPP UE replies to Application Server
Figure 8.7.4.2-1Group messaging in MSGin5G Service
Figure 8.7.4.3-1Group messaging in MSGin5G Service
Figure 8.7.5.2-1Message delivery between MSGin5G UEs in different PLMNs
Figure 8.7.5.3-1Message delivery between MSGin5G UEs in different PLMNs
Figure 8.7.5.3-2Message delivery between MSGin5G UEs in different PLMNs
Figure 8.7.6.2-1Message Delivery in Broadcast Area
Figure 8.8.1-1MSGin5G Service endpoint subscribes to Messaging topic(s)
Table 8.8.1-1Messaging Topic subscription request
Table 8.8.1-2Messaging Topic Subscription response
Figure 8.8.2-1Message delivery to subscribing service endpoint based on Messaging Topic
Figure 8.8.3-1MSGin5G Service endpoint unsubscribes to Messaging topic(s)
Table 8.8.3-1Messaging Topic unsubscription request
Table 8.8.3-2Messaging Topic Unsubscription response
Figure 8.8.4.2-1MSGin5G Server 1 subscribes to Messaging Topic list on the MSGin5G Server 2
Table 8.8.4.2-1Messaging Topic list subscription request
Table 8.8.4.2-2Messaging Topic list Subscription response
Table 8.8.4.2-3Messaging Topic list notification
Table 8.8.4.2-4Individual Messaging Topic
Figure 8.8.4.2a-1MSGin5G Server 1 unsubscribes to Messaging Topic list on the MSGin5G Server 2
Table 8.8.4.2a-1Messaging Topic list unsubscription request
Table 8.8.4.2a-2Messaging Topic list Subscription response
Table 8.8.4.3-1Messaging Topic subscription request
Table 8.8.4.4-1Messaging Topic unsubscription request
Figure 8.9.2.2.1-1MSGin5G reachability status request-response.
Figure 8.9.2.2.2-1MSGin5G reachability status subscribe.
Figure 8.9.2.2.3-1MSGin5G reachability status notify.
Figure 8.9.2.2.4-1MSGin5G reachability status unsubscribe.
Figure 8.9.3.2-1MSGin5G Triggering Procedure
Table 8.10.2.2-1Additional information in the Get VAL UE configuration request
Table 8.10.2.2-2Additional information in the Get VAL UE configuration response
Figure 8.11.2-1Registration of Application Client with MSGin5G Client on MSGin5G UE-1
Table 8.11.2-1Information elements for Registration to gateway UE request
Table 8.11.2-2Information elements for Registration to gateway UE response
Figure 8.11.3-1Deregistration of Application Client with MSGin5G Client on MSGin5G UE-1
Table 8.11.3-1Information elements for Deregistration to gateway UE request
Table 8.11.3-2Information elements for Deregistration to gateway UE response
Figure 8.11.4-1Application Client sends message using MSGin5G Client on MSGin5G UE-1
Table 8.11.4-1Information elements for Request to send MSGin5G message
Table 8.11.4-2Information elements for Response to send MSGin5G message
Table 8.11.4-3Information elements for MSGin5G message delivery status
Figure 8.11.5-1Application Client receives message using MSGin5G Client on MSGin5G UE-1
Table 8.11.5-1Information elements for Message received request
Table 9.1.2.1-2M5S Northbound Message Delivery Send request
Table 9.1.2.2-1M5S Northbound Message Delivery Send request
Table 9.1.2.3-1Application Server Registration request
Table 9.1.2.4-1Application Server registration response
Table 9.1.2.5-1Application Server de-registration request
Table 9.1.2.6-1Application Server de-registration response
Table 9.1.2.7-1M5S Message response notification
Figure 11.2-1MSGin5G Server(s) deployed in a single PLMN operator domain with interconnection between MSGin5G Server(s)
Figure 11.2-2MSGin5G Server(s) deployed in multiple PLMN operator domain with interconnection between MSGin5G Server(s)
Figure 11.3-1deployment of Message Gateway in a single PLMN operator domain
Figure 11.3-2deployment of Message Gateway in multipl PLMN operator domains

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