Universal Mobile Telecommunications System (UMTS); LTE; Service capability exposure functionality over Nt reference point (V13.2.0; 3GPP TS 29.154 version 13.2.0 Release 13)
This document defines the protocol for Nt reference point. The functional requirements and the stage 2 specifications of the Nt reference point are contained in 3GPP TS 23.203 [2]. The Nt reference point lies between Service Capability Exposure Function (SCEF) and Policy and Charging Rules Function (PCRF).