Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Value-added Services for SMS (VAS4SMS); Interface and signalling flow (V10.0.0; 3GPP TS 23.142 version 10.0.0 Release 10)
The present document describes the stage 2 of the VAS4SMS (Value Added Service for SMS). It includes: - The logic architecture; - The logic elements functionality; - The signaling flows; - The interaction with other features. The service requirements of VAS4SMS are specified in 3GPP TS 22.142 [2]. The functionality and mechanism of SMS Service is defined in 3GPP TS 23.040 [4].