Content for TR 23.811 Word version: 8.0.0
5 Scenarios for service-level interworking
6 Architectural requirements
7 Architecture alternatives
8 Conclusion
A IM user sends an Instant Message to a group list including SMS users
B Relationship between SMSIP and SMS-IM Interworking
$ Change history
5 Scenarios for service-level interworking p. 8
5.1 General p. 8
5.2 Capability of the UE p. 8
5.3 Use cases p. 8
5.3.1 IM user with non SMS capable UE receives short message from an SMS user p. 8
5.3.2 IM user with non SMS capable UE sends an Instant Message to an SMS user p. 8
5.3.3 IMS user with delivery preferences/operator policy set to SMS for receiving messages p. 9
5.3.4 Concatenated SMS messages delivered as an IM large message p. 9
5.3.5 IM large message delivered as concatenated SMS messages p. 9
5.3.6 IM user with delivery preferences set to SMS for large messages p. 9
5.3.7 Prevention from being interworked p. 9
5.3.8 IM user sends an Instant Message to an SMSIP UE p. 9
5.3.9 SMSIP UE sends an encapsulated Short Message to an IM user with non SMS capable UE p. 9
5.3.10 IM user sends an Instant Message to a group list including SMS users p. 9
5.3.11 AS addressed by PSI receives short message from an SMS user p. 9
5.4 Scenarios p. 10
5.4.1 Scenario 1: IMS origination and SMS termination to the SMS UE with the service level interworking in the originating side p. 10
5.4.2 Scenario 2: IMS origination and SMS termination to the SMS UE with the service level interworking in the terminating side p. 10
5.4.3 Scenario 3: SMS origination from the SMS UE and IMS termination p. 11
5.4.4 Scenario 4: SMSIP UE sends an encapsulated Short Message to an IM user p. 11
5.4.5 Scenario 5: IMS origination and SMS termination to the SMSIP UE with the service level interworking in the terminating side p. 12
6 Architectural requirements p. 12
7 Architecture alternatives p. 14
7.1 Alternative 1 p. 14
7.1.1 Architectural details p. 14
7.1.1.1 Reference architecture p. 14
7.1.1.2 Reference points p. 14
7.1.1.3 Functional entities for IP-SM-GW p. 15
7.1.1.4 Procedures p. 15
7.1.1.4.1 IM capable UE sends an Instant Message to an SMS user p. 15
7.1.1.4.2 IM user receives short message from an SMS user p. 17
7.1.1.4.3 Concatenated SM messages delivered as an IM large message p. 18
7.1.1.4.4 Status Report procedure for Instant Message to SMS message interworking p. 21
7.1.1.4.5 IMS registered user with delivery preferences/operator policy set to SMS for receiving short messages p. 22
7.1.1.4.6 Delivery to unregistered subscriber p. 22
7.1.1.4.7 AS addressed by PSI receives short message from an SMS user p. 23
7.1.1.4.8 IM user sends an Instant Message to an SMSIP UE p. 23
7.1.1.4.9 Delivery report for an Instant Message delivered as SMSIP MESSAGE p. 24
7.1.1.4.10 IM capable UE sends an IM to an SMS user with Interworking in the terminating side p. 25
7.1.2 Impact p. 26
7.1.3 Assessment p. 26
7.2 Alternative 2 p. 27
7.2.1 Architectural details p. 27
7.2.1.1 Reference architecture p. 27
7.2.1.2 Reference points p. 27
7.2.1.3 Functional Entities IP-SM-GW p. 28
7.2.1.4 Procedures p. 28
7.2.1.4.1 IM user sends an Instant Message to an SMS user p. 28
7.2.1.4.2 IM user receives short message from an SMS user p. 29
7.2.1.4.3 Concatenated SM messages delivered as an IM large message p. 29
7.2.1.4.4 Status Report procedure for Instant Message to SMS message interworking p. 29
7.2.1.4.5 IMS registered user with delivery preferences/operator policy set to SMS for receiving short messages p. 29
7.2.1.4.6 Delivery to unregistered subscriber p. 29
7.2.1.4.7 AS addressed by PSI receives short message from an SMS user p. 29
8 Conclusion p. 30
A IM user sends an Instant Message to a group list including SMS users p. 31
B Relationship between SMSIP and SMS-IM Interworking p. 33
$ Change history p. 36
