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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.
Terrestrial Trunked Radio (TETRA); Voice plus Data (V+D); Designers´ guide; Part 5: Guidance on Numbering and addressing
Standard published on 31.7.1998
Selected format:Attachments to the Public Switched Telephone Network (PSTN); General technical requirements for equipment connected to an analogue subscriber interface in the PSTN (Candidate NET 4)
Standard published on 15.8.1992
Selected format: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 15.12.1994
Selected format: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 31.3.1996
Selected format: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 30.1.1997
Selected format: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 31.10.1998
Selected format: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 28.2.1992
Selected format:Public Switched Telephone Network (PSTN); Category II specification for 9 600 or 4 800 bits per second duplex modems standardized for use on the PSTN
Standard published on 30.5.1996
Selected format:Integrated Services Digital Network (ISDN); Support of packet-mode terminal equipment by an ISDN
Standard published on 30.11.1991
Selected format: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 (1993), Q.702 (1988), Q.703 to Q.706 (1993), modified]
Standard published on 31.1.1997
Selected format:Latest update: 2025-12-25 (Number of items: 2 253 105)
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