Digital cellular telecommunications system (phase 2). Half rate speech. Part 8 : test sequences for the GSM half rate speech codec (GSM 06.07 version 4.2.1).
实施日期:1998-09-01
Integrated Services Digital Network (ISDN). Calling line identification presentation (CLIP) and calling line identification restriction (clir). Supplementary services. Functional capabilities and infor...
实施日期:1994-12-01
Digital cellular telecommunications system (Phase 2). Call Barring (CB) supplementary services. Stage 2 (GSM 03.88).
Electrotechnical vocabulary. Chapter 725 : space radiocommunications.
实施日期:1993-04-05
The transmission performance objectives for mixed analogue-digital public telephone automatic switching network
实施日期:1993-08-01
Integrated Services Digital Network (ISDN). Basic access. Safety and protection. Part 4 : interface Ib. Safety.
实施日期:1998-06-01
Integrated Services Digital Network (ISDN). Access digital section for ISDN basic rate.
实施日期:1999-06-01
Integrated Services Digital Network (ISDN) - Malicious Call Identification (MCID) supplementary service - Digital Suscriber Signalling System No one (DSS1) protocol - Part 2 : Protocol Implementation C...
实施日期:2001-04-01
Information technology. Telecommunications and information exchange between systems. Local and metropolitan area networks. Specific requirements part 15.1:Wireless medium access control (mac) and physi...
实施日期:2002-04-15
Integrated Services Digital Network (ISDN) - Signalling System No. 7 - Transaction Capabilities (TC) - Application Service Element (ASE) for Message Waiting Indication (MWI) supplementary service - Par...
实施日期:2000-05-01
Network Management Technical Requirements for 2GHz TD-SCDMA/WCDMA Digital Cellular Mobile Communications Network Element Direct connection Interface Function
实施日期:2008-06-01
Mobile internet open Web services enabler Part 3:Core technical requirements
发布日期:2010-12-29 实施日期:2011-01-01
Technology requirement and test method of stand alone synchronization equipment in digital synchronization network
实施日期:1999-07-01
Information security management framework for telecommunications organizations
发布日期:2013-10-17 实施日期:2014-01-01
Security protection testing requirements for the internet data center
发布日期:2016-07-11 实施日期:2016-10-01
Security protection requirements for the network transaction system
发布日期:2016-07-11 实施日期:2016-10-01
Broadband Integrated Services Digital Network (B-ISDN) - Digital Subscriber Signalling System No. two (DSS2) protocol - Calling Line Identification Presentation (CLIP) supplementary service - Part 2: P...
Compatibility test procedures of clock and synchronization equipment of digital switch introducedinto digital network
发布日期:1991-09-16 实施日期:1992-06-01
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