Add SGsAP-SERVICE-REQUEST in SMS & UE-active

src/mme/sgsap-handler.c

@@ -339,7 +339,7 @@ void sgsap_handle_paging_request(mme_vlr_t *vlr, ogs_pkbuf_t *pkbuf)
             if (CS_CALL_SERVICE_INDICATOR(mme_ue)) {
                 nas_send_cs_service_notification(mme_ue);
             } else if (SMS_SERVICE_INDICATOR(mme_ue)) {
-                /* Nothing to do */
+                sgsap_send_service_request(mme_ue, SGSAP_EMM_CONNECTED_MODE);
             } else
                 goto paging_reject;
         }