ÖNORM EN 300207-6 V 3.2.1:2003-04
Действует
Integrated Services Digital Network (ISDN) - Diversion supplementary services - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 6: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the network (incl. Diskette!!!)
