OENORM EN 301455-2 V 1.4.1
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Cordless Terminal Mobility (CTM) - Incoming call additional network feature for the VPN "b" service entry point - Part 2: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification (incl. Diskette!!!)