Apparate mit einer oder mehreren Sonderfunktionen Zum Anschluss an bestimmte Oeffentliche Fernsprechnetze. Apparate mit Sperrvorrichtung fuer ausgehende Gespraeche Apparatus with one or more particular...
实施日期:1988-11-30
Unterirdische Lautsprecherkommunikationssysteme in Kohlenbergwerken Specification for Underground Loudspeaker Communication Systems in Coal Mines Systèmes de communication souterraine par haut-parleurs...
实施日期:1983-04-29
Plugs, Telephone and Accessory Screws (General Rules)
发布日期:1978-08-30 实施日期:1985-06-27
Signalling Protocols and Switching (SPS) - V interfaces at the digital Local Exchange (LE) - V5.2 interface for the support of Access Network (AN) - Part 7: Test Suite Structure and Test Purposes (TSS&...
Radio Equipment and Systems (RES) - Digital European Cordless Telecommunications (DECT); Public Access Profile (PAP) test specification - Part 4: PT PIXIT proforma; English version ETS 300323-4:1994
Integrated Services Digital Network (ISDN); Malicious Call Identification (MCID) supplementary service; serving description; english version ETS 300128:1992
Technical requirements for telephone system in carrier communication using coaxial cables
发布日期:1989-02-10 实施日期:1989-03-01
PNO-ISC service description number 007. Non geographic number portability
实施日期:2000-08-15
V interfaces at the digital Local Exchange (LE) - V5.1 interface for the support of Access Network (AN) - Part 1: V5.1 interface specification (Endorsement of the English version EN 300324-1 V 2.1.1 (...
800 MHz cellular mobile telephone system analog type subsriber units units land station compatibility specification
发布日期:1991-10-18 实施日期:1991-10-18
V interfaces at the digital Local Exchange (LE) - V5.1 interface for the support of Access Network (AN) - Part 5: Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer (LE...
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