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

Standard published on 6.10.2000

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

Standard published on 15.10.1998

Terminal support interface for harmonized analogue PSTN terminals

Standard published on 26.2.1999

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

Standard published on 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

Standard published on 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

Standard published on 25.1.2000

Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Master list of codepoints and operation values

Standard published on 15.7.1997

Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Master list of codepoints and operation values

Standard published on 17.3.1999

Integrated Services Digital Network (ISDN); Digital Subscriber Signalling System No. one (DSS1) protocol; Master list of codepoints and operation values

Standard published on 26.9.2000

Identification card systems; Telecommunications IC cards and terminals; Additional Telecommunications Features (ATF)

Standard published on 15.8.1997