Integrated Services Digital Network (ISDN) - Access digital section for ISDN primary rate; English version ETS 300233:1994
Edition 1994-10

Network Aspects (NA) - Metropolitan Area Network (MAN) - Medium Access Control (MAC) layer management; English version ETS 300273:1994
Edition 1994-10

Integrated Services Digital Network (ISDN) - Primary rate User-Network Interface (UNI) - Part 3: Implementation Conformance Statement (ICS) and Implementation eXtra Information for Testing (IXIT) proforma specification for interface IA and IB; English version ETS 300011-3:1998
Edition 1998-12

Integrated Services Digital Network (ISDN) - Access digital section for ISDN primary rate; English version ETS 300233/A1:1995
Edition 1995-10

Integrated Services Digital Network (ISDN) - Primary rate User-Network Interface (UNI) - Part 2: Conformance test specification for interface IA and IB; English version ETS 300011-2:1998
Edition 1998-12