7.5.1 Functional architecture for CAMEL MO SMS services
23.0783GPPCustomised Applications for Mobile network Enhanced Logic (CAMEL) Phase 4Release 17Stage 2TS
Note 1: The functional entities depicted by means of dark shaded boxes in the figure 7.4 are not affected by CAMEL interaction with MO‑SMS.
Note 2: The Relay Protocol between the MS and the MSC or SGSN is described in 3GPP TS 24.011 [31]. The Relay Protocol between the MSC or SGSN and the SMS-GMSC is described in 3GPP TS 29.002 [34]. The Relay Protocol between the SMS-GMSC and the SMSC is not standardised. Examples of this protocol are described in GSM TR 03.47 [42].
Figure 7.4: MO SMS via MSC or SGSN