Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Cordless Terminal Location Registration (CTLR) supplementary service - Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Cordless terminal authentication supplementary services - Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification for the VPN "b" service entry point
