DIN ETS 300081:1994-01

Действует

Integrated Services Digital Network (ISDN); Teletex end-to-end protocol over the ISDN; English version ETS 300081:1993

На этот документ ссылаются

ÖNORM EN 300434-1 V 1.2.1:2002-01

Действует

Digital Enhanced Cordless Telecommunications (DECT) - Integrated Services Digital Network (ISDN) - DECT/ISDN interworking for end system configuration - Part 1: Interworking specification