Universal Mobile Telecommunications System (UMTS); LTE; Service Level Interworking (SLI) for messaging services (V14.0.0; 3GPP TS 29.311 version 14.0.0 Release 14)
The present document specifies the protocol details of service level interworking between Instant Message (OMA-TSSIMPLE_ IM [4]) or Chat Session (OMA-TS-CPM_Conv_Fnct [17]) using the 3GPP IP Multimedia CN subsystem and the Short Message Service over both legacy CS/PS network as specified in the 3GPP TS 23.040 [2] and a generic IP Conectivity Access Network (IP-CAN) as specified in the 3GPP TS 24.341 [5]. These include: - Procedures to implement service level interworking between IM and SM; - Procedures to implement service level interworking between CPM and SM; - Enhancement of the IP-SM-GW as an Application Server to support service selection@ authorization and mapping between IM or CPM and SM protocols; and - Interaction between service level interworking and transport layer interworking