Universal Personal Telecommunication (UPT); UPT phase 2; Subscriptions, service profiles and information model

Norma vydána dne 30.11.1997

Telecommunications security; Lawful Interception (LI); Requirements for network functions

Norma vydána dne 31.5.1998

Telecommunications security; Lawful Interception (LI); Requirements for network functions

Norma vydána dne 30.4.2002

Corporate Telecommunication Networks (CN); Transmission characteristics of digital Private Branch eXchanges (PBXs)

Norma vydána dne 31.5.1998

Speech Processing, Transmission and Quality Aspects (STQ); Transmission characteristics of digital Private Branch eXchanges (PBXs) for interconnection to private networks, to the public switched network or to IP gateways

Norma vydána dne 6.10.2000

2-wire analogue voice band interfaces; Multiple line terminal equipment specific characteristics

Norma vydána dne 15.10.1998

Terminal support interface for harmonized analogue PSTN terminals

Norma vydána dne 26.2.1999

2-wire analogue voice band interfaces; Loop Disconnect (LD) dialling specific requirements

Norma vydána dne 23.3.1999

Public Switched Telephone Network (PSTN); Network Termination Point (NTP) analogue interface; Specification of physical and electrical characteristics at a 2-wire analogue presented NTP for short to medium length loop applications

Norma vydána dne 2.6.1999

Public Switched Telephone Network (PSTN); Network Termination Point (NTP) analogue interface; Specification of physical and electrical characteristics at a 2-wire analogue presented NTP for short to medium length loop applications

Norma vydána dne 25.1.2000