Content for TR 29.829 Word version: 17.1.0
5 Key Issues p. 9
5.1 Key Issue #1: <KI#1> SBI-based SM MT message transfer p. 9
5.2 Key Issue #2: <KI#2> SBI-based SM MO message transfer p. 11
5.3 Key Issue #3: <KI#3> Mechanism to select the target PLMN based on GPSI when using SBI p. 12
5.3.1 Description p. 12
5.4 Key Issue #4: Usage of N32 for PLMN Interconnect Scenarios p. 13
5.4.1 Description p. 13
5.5 Key Issue #5: Mechanism for protocol selection p. 13
5.5.1 Description p. 13
6 Solutions p. 13
6.1 Solution#1: Solution for SBI-based MT SMS p. 13
6.1.1 Introduction p. 13
6.1.2 Successful MT SMS message transfer p. 13
6.1.3 Unsuccessful MT SMS message transfer p. 18
6.1.4 Alert SC message transfer p. 18
6.1.5 Impacts on services, entities and interfaces p. 19
6.2 Solution#2: Solution for SBI-based MO SMS p. 20
6.2.1 Introduction p. 20
6.2.2 Successful MO SMS message transfer p. 20
6.2.3 Unsuccessful MO SMS message transfer p. 21
6.2.4 MSISDN-less MO SMS message transfer p. 22
6.2.5 Impacts on services, entities and interfaces p. 23
6.3 Solution #3: Mechanism to select the target PLMN based on GPSI using NRF p. 23
6.3.1 Introduction p. 23
6.3.2 Description p. 24
6.3.3 Procedures p. 25
6.3.3.1 Scenario 1: Selection of target PLMN based on MSISDN belonging to local PLMN p. 25
6.3.3.2 Scenario 2: Selection of target PLMN based on MSISDN belonging to a different PLMN with NP p. 26
6.3.3.3 Scenario 3: Selection of target PLMN based on MSISDN belonging to a different PLMN without NP p. 29
6.3.3.4 Scenario 4: Selection of target PLMN based on MSISDN belonging to a different PLMN via transit PLMN p. 31
6.3.4 Impacts on services, entities and interfaces p. 33
6.4 Solution#4: MT SM transfer p. 33
6.4.1 Introduction p. 33
6.4.2 Transfer of MT SM based on SBI p. 34
6.4.3 Routing MT SM based on SBI p. 35
6.4.4 Transfer of Report to MT SM based on SBI p. 36
6.4.5 Impacts on services, entities and interfaces p. 37
6.5 Solution#5: MO SM transfer p. 37
6.5.1 Introduction p. 37
6.5.2 SMS-IWMSC Discovery and Selection p. 38
6.5.3 Transfer of MO SM based on SBI p. 39
6.5.4 Transfer of Report to MO SM based on SBI p. 39
6.5.5 Impacts on services, entities and interfaces p. 40
6.6 Solution#6: MT SM transfer via SMS Router/IP-SM-GW p. 40
6.6.1 Introduction p. 40
6.6.2 Routing MT SM via SMS Router/IP-SM-GW based on SBI p. 41
6.6.3 Get routing information from SMS Router/IP-SM-GW p. 43
6.6.4 Transfer of MT SM from SMS Router/IP-SM-GW to SMSF p. 43
6.6.5 Transfer of Report from SMSF to SMS Router/IP-SM-GW p. 44
6.6.6 Impacts on services, entities and interfaces p. 45
6.7 Solution#7: Unsuccessful MT SM transfer via SMS Router/IP-SM-GW p. 45
6.7.1 Introduction p. 45
6.7.2 Failure for MT SMS transfer in SMS Router/IP-SM-GW p. 45
6.7.3 Impacts on services, entities and interfaces p. 45
6.8 Solution#8: Unsuccessful MT SM transfer p. 45
6.8.1 Introduction p. 45
6.8.2 Failure for MT SM transfer in SMSF p. 46
6.8.3 Failure for MT SM transfer in UDM p. 48
6.8.4 Impacts on services, entities and interfaces p. 48
6.9 Solution#9: Alert p. 49
6.9.1 Introduction p. 49
6.9.2 Alert MS memory capacity available p. 51
6.9.3 Alert MS reachable p. 52
6.9.4 Impacts on services, entities and interfaces p. 52
6.10 Solution#10: Alert the recovery of UE memory for SMS p. 53
6.10.1 Introduction p. 53
6.10.2 UE memory capacity state store p. 55
6.10.3 UE memory capacity state query p. 56
6.10.4 UE memory capacity available event p. 56
6.10.5 Alert MS reachable p. 56
6.10.6 Impacts on services, entities and interfaces p. 56
6.11 Solution#11: Unsuccessful MO SM transfer p. 57
6.11.1 Introduction p. 57
6.11.2 Failure for MO SM transfer in SMS-IWMSC p. 57
6.11.3 Impacts on services, entities and interfaces p. 58
6.12 Solution #12: Mechanism to select the target PLMN with MNP p. 58
6.12.1 Introduction p. 58
6.12.2 Description p. 59
6.12.3 Procedures p. 59
6.12.4 Impacts on services, entities and interfaces p. 62
6.13 Solution #13: SMS termination using SMS-GMSC in the home network of SMS recipient p. 62
6.13.1 Introduction p. 62
6.13.2 Description p. 63
6.13.3 Procedures p. 63
6.13.4 Impacts on services, entities and interfaces p. 64
6.14 Solution #14: Protocol Selection "Try and Error" p. 64
6.15 Solution #15: Protocol Selection "Local Configuration" p. 65
6.16 Solution #16: Protocol Selection "Discovery during Routing Info Retrieval" p. 65
6.17 Solution #17: Inclusion of Interconnect indication when establishing N32 connectivity p. 65
6.17.1 Description p. 65
6.17.2 Procedures p. 66
6.17.3 Impacts on services, entities and interfaces p. 66
6.18 Solution #18: Inclusion of Interconnect indication over established N32 connection p. 66
6.18.1 Description p. 66
6.18.2 Procedures p. 67
6.18.3 Impacts on services, entities and interfaces p. 68
6.19 Solution #19: Mechanism to select the target PLMN based on GPSI in the case of Indirect Communication with Delegated Discovery p. 68
6.19.1 Introduction p. 68
6.19.2 Description p. 68
6.19.3 Procedures p. 68
6.19.3.1 SCP delegating the MSISDN-to-Subscription-Network resolution to the local NRF during UDM discovery p. 69
6.19.3.2 SCP supports the MSISDN-to-Subscription-Network resolution to the MNP before UDM discovery p. 69
6.19.4 Impacts on services, entities and interfaces p. 72
7 Evaluations and Conclusions p. 72
7.0 Evaluation and Conclusions of Solutions for Key Issue#1 p. 72
7.0.1 Evaluation p. 72
7.0.2 Conclusion p. 73
7.1 Evaluation and Conclusions of Solutions for Key Issue#1 p. 73
7.1.1 Evaluation p. 73
7.1.2 Conclusion p. 73
7.2 Evaluation and Conclusions of Solutions for Key Issue#2 p. 74
7.2.1 Evaluation p. 74
7.2.2 Conclusion p. 74
7.3 Evaluation and Conclusions of Solutions for Key Issue#3 p. 74
7.3.1 Evaluation p. 74
7.3.2 Conclusion p. 76
7.4 Evaluation and Conclusions of Solutions for Key Issue#4 p. 76
7.4.1 Evaluation p. 76
7.4.2 Conclusion p. 76
7.5 Evaluation and Conclusions of Solutions for Key Issue#5 p. 76
7.5.1 Evaluation p. 76
7.5.2 Conclusion p. 77
$ Change history p. 79
