4 Overview

29.5793GPP5G SystemInterworking MSC For Short Message ServicesRelease 18Stage 3TS

4.1 Introduction

The SMS-IWMSC offers services to the SMSF via the Niwmsc service based interface (see 3GPP TS 23.501 [2], 3GPP TS 23.502 [3], and 3GPP TS 23.540 [14]).

Figure 4.1-1 provides the reference model (in service based interface representation and in reference point representation), with focus on the SMS-IWMSC.

Figure 4.1-1: Reference model – SMS-IWMSC

The functionalities supported by the SMS-IWMSC are listed in clause 6.3 of 3GPP TS 23.540 [14].