Abstract: Embodiments of the present disclosure describe techniques and configurations for transmitting small data payloads such as, for example, Machine Type Communication (MTC) data in a wireless communication network. A system may include features to implement an interworking function (IWF) to receive, from a machine type communication (MTC) server, a trigger to send a data payload, which is smaller than a preconfigured threshold, to a user equipment (UE) over a wireless communication network, and send, over a first reference point to a first module including a Mobility Management Entity (MME) or a Serving GPRS (General Packet Radio Service) Support Node (SGSN) or a second reference point to a second module including a Home Location Register (HLR) or a Home Subscriber Server (HSS), the data payload and a request to forward the data payload to the UE.