DIN ETS 300402-6 : 1997 Title: Integrated Services Digital Network (ISDN) - Digital Subscriber Signalling System No. one (DSS1) protocol - Data link layer - Part 6: Test Suite Structure and Test Purposes (TSS&TP) specification for the general protocol; English version ETS 300402-6:1997 Year: 1997 Publisher: DIN Media GmbH Availability: Within 1-2 working days