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
实施日期:2001-02-15
Integrated Services Digital Network (ISDN); Telephony 7 kHz, videotelephony, audiographic conference and videoconference teleservices - Digital Subscriber Signalling System No. one (DSS1) protocol - Pa...
Integrated Services Digital Network (ISDN); Connected Line Identification Presentation (COLP) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 5: Test Suite S...
Digital cellular telecommunications system (Phase 2+) (GSM) - Support of Mobile Number Portability (MNP) - Technical Realisation; Stage 2
Maritime navigation and radiocommunication equipment and systems - Part 1: Shipborne automatic transponder system installation using VHF digital selective calling (DSC) techniques; operational and perf...
实施日期:2000-06-01
Private Integrated Services Network (PISN) - Specification, functional models and information flows - Diversion supplementary services (ISO/IEC 13872 (2003), modified)
Integrated Services Digital Network (ISDN) - Connected Line Identification Restriction (COLR) supplementary service - Digital Subscriber Signalling System No. one (DSS1) protocol - Part 5: Test Suite S...
Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol; connection characteristics; negotiation during call/connection establishment phase...
Integrated Services Digital Network (ISDN) - Advice of Charge (AOC) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol - Part 6: Abstract Test Suite (ATS) and partial P...
Free Phone Service, Account Card Calling Service and Virtual Private
发布日期:1995-11-01 实施日期:1995-11-01
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