Attachments to the Public Switched Telephone Network (PSTN). General technical requirements for equipment connected to an analogue subscriber interface in the PSTN

Standard published on 1.10.2001

Public Switched Telephone Network (PSTN). Category II attachment requirements for 9 600 or 4 800 bits per second duplex modems standardised for use on the PSTN (Candidate NET 25)

Standard published on 1.7.2002

Public Switched Telephone Network (PSTN). Category II specification for 9600 or 4800 bits per second duplex modems standardized for use on the PSTN

Standard published on 1.8.1998

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

WITHDRAWN published on 1.1.1994

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

WITHDRAWN published on 1.1.1994

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

WITHDRAWN published on 1.1.1994

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

WITHDRAWN published on 1.1.1994

Integrated Services Digital Network (ISDN). Support of packet-mode terminal equipment by an ISDN

Standard published on 1.3.1994

Integrated Services Digital Network (ISDN). CCITT Signalling System No. 7. Message Transfer Part (MTP) to support international interconnection

Standard published on 1.3.1994

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]

Standard published on 1.2.2004