ÖNORM EN 301483-1 V 1.2.2:2000-12
Действует
Private Integrated Services Network (PISN) - Inter-exchange signalling protocol - Advice of Charge (AoC) supplementary services for the VPN "b" service entry point [ISO/IEC 15049 (1997), modified] - Part 1: Test Suite Structure and Test Purposes (TSS&TP) specification
