Private Integrated Services Network (PISN);Inter-exchang
e signalling protocol;Cordless Terminal Location Registration (CTLR) supplementary service;ECMA-QSIG-CT
LR;Part 2: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma (Endorsed by Asociación Española de Normalización in November of 2021.)
Private Integrated Services Network (PISN);Inter-exchange signalling protocol;Cordless Terminal Location Registration (CTLR) supplementary service;ECMA-QSIG-CTLR;Part 2: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma (Endorsed by Asociación Española de Normalización in November of 2021.)
