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ETSI - European Telecommunication Standard Institute(ETSI) produces globally-applicable standards for information and telecommunication technologies (ICT) including land, mobile, radio, converged, broadcast and internet technologies.
Corporate Telecommunication Networks (CN); Transmission characteristics of digital Private Branch eXchanges (PBXs)
Standard published on 31.5.1998
Selected format: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
Selected format:2-wire analogue voice band interfaces; Multiple line terminal equipment specific characteristics
Standard published on 15.10.1998
Selected format:Terminal support interface for harmonized analogue PSTN terminals
Standard published on 26.2.1999
Selected format:2-wire analogue voice band interfaces; Loop Disconnect (LD) dialling specific requirements
Standard published on 23.3.1999
Selected format: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
Selected format: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
Selected format: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
Selected format: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
Selected format: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
Selected format:Latest update: 2026-02-25 (Number of items: 2 263 426)
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