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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.
Integrated Services Digital Network (ISDN); Specification of the Packet Handler access point Interface (PHI)
Standard published on 10.8.1992
Selected format:Integrated Services Digital Network (ISDN); Specification of the Packet Handler access point Interface (PHI)
Standard published on 15.4.1998
Selected format:Integrated Services Digital Network (ISDN); Routing in support of ISUP Version 1 services
Standard published on 22.1.1992
Selected format:Integrated Services Digital Network (ISDN); User-network interface layer 3; Specifications for basic call control
Standard published on 31.12.1990
Selected format:Integrated Services Digital Network (ISDN); User-network interface layer 3; Specifications for basic call control
Standard published on 30.4.1993
Selected format:Integrated Services Digital Network (ISDN); User-network interface layer 3; Specifications for basic call control
Standard published on 18.10.1993
Selected format:Integrated Services Digital Network (ISDN); User-network interface layer 3; Specifications for basic call control; Specification Description Language (SDL) diagrams
Standard published on 31.12.1990
Selected format:Integrated Services Digital Network (ISDN); Support of CCITT Recommendation X.21, X.21 bis and X.20 bis based Data Terminal Equipments (DTEs) by an ISDN Synchronous and asynchronous terminal adaptation functions
Standard published on 31.12.1990
Selected format:Integrated Services Digital Network (ISDN); Attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access Layer 3 aspects (Candidate NET 3, Part 2)
Standard published on 15.7.1991
Selected format:Integrated Services Digital Network (ISDN); Attachment requirements for terminal equipment to connect to an ISDN using ISDN basic access Layer 3 aspects
Standard published on 15.6.1994
Selected format:Latest update: 2025-12-21 (Number of items: 2 252 887)
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