Equipment Engineering (EE); Transient voltages at Interface A on telecommunications direct current (dc) power distributions

UNGÜLTIG herausgegeben am 30.5.1996

Special Mobile Group (SMG); Universal Mobile Telecommunications System (UMTS); System Requirements (UMTS 01.03)

UNGÜLTIG herausgegeben am 30.5.1996

Business Telecommunications (BT); Transmission characteristics of digital Private Automatic Branch Exchanges (PABXs)

UNGÜLTIG herausgegeben am 31.8.1991

Business Telecommunications (BT); Transmission characteristics at 2-wire analogue interfaces of a digital Private Automatic Branch Exchange (PABX)

UNGÜLTIG herausgegeben am 31.8.1991

Business Telecommunications (BT); Transmission characteristics at 4-wire analogue interfaces of a digital Private Automatic Branch Exchange (PABX)

UNGÜLTIG herausgegeben am 31.8.1991

Business Telecommunications (BT); Transmission characteristics at digital interfaces of a digital Private Automatic Branch Exchange (PABX)

UNGÜLTIG herausgegeben am 31.8.1991

Integrated Services Digital Network (ISDN); Signalling System No.7; Message Transfer Part (MTP) to support international interconnection; Part 1: Protocol specification [ITU-T Recommendations Q.701, Q.702, Q.703, Q.704, Q.705, Q.706, Q.707 and Q.708 modified]

UNGÜLTIG herausgegeben am 15.9.2000

European digital cellular telecommunications system (Phase 1); Mobile application part specification; Part 1: Generic (GSM 09.02)

UNGÜLTIG herausgegeben am 28.2.1992

Integrated Services Digital Network (ISDN); Primary rate access - safety and protection; Part 1 : General

UNGÜLTIG herausgegeben am 31.8.1992

Integrated Services Digital Network (ISDN); Primary rate access - safety and protection; Part 2 : Interface Ia - safety

UNGÜLTIG herausgegeben am 31.8.1992