1TR6 - What does 1TR6 stand for? The Free Dictionary
References in periodicals archive
ISDN PRI support enables interfacing to the following international protocols: VN3 (France), 1TR6
(Germany), DASS-2 (UK), ETS300 (EuroISDN), and enhanced DPNSS.
The ACP 50 also passed all the tests for the German National ISDN standard, 1TR6
Supports major ISDN switches including Euro-ISDN, 1TR6