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This Recommendation | International Standard is part of Abstract Syntax Notation One (ASN.1) and provides notation for specifying user-defined constraints, table constraints, and contents constraints.

This document addresses the wide range of telecommunications cabling infrastructures within data centres based upon the criteria and classifications for “availability” within ISO/IEC TS 22237-1. This document specifies...

This International Standard specifies supplementary services Call Completion (SS-CC), which are applicable to various basic services supported by Private Integrated Services Network (PISN). Basic services are specified in ISO...

This International Standard specifies the Supplementary Service (SS) Single Step Call Transfer (SSCT), which is applicable to various basic services supported by Private Integrated Services Networks (PISN). Basic services are...

This International Standard provides guidance on mechanisms for ensuring that methods and processes used in the investigation of information security incidents are “fit for purpose”. It encapsulates best practice on defining...

This document addresses power supplies to, and power distribution within, data centres based upon the criteria and classifications for “availability”, “physical security” and “energy efficiency enablement” within ISO/IEC TS...

This document addresses the physical security of data centres based upon the criteria and classifications for “availability”, “security” and “energy efficiency enablement” within ISO/IEC TS 22237-1. This document provides...

This International Standard specifies the supplementary services Call Forwarding Unconditional (CFU), Call Forwarding Busy (CFB), Call Forwarding No Reply (CFNR) and Call Deflection (CD), which are applicable to various basic...

This Technical Report specifies a series of extensions of the programming language C, specified by International Standard ISO/IEC 9899:1999. These extensions can be useful in the mitigation of security vulnerabilities in...

This International Standard specifies the Additional Network Feature (ANF) Call Identification and Call Linkage (CIDL), which is applicable to various basic services supported by Private Integrated Services Networks (PISN)...

This International Standard describes the concepts and principles of information and communication technology (ICT) readiness for business continuity, and provides a framework of methods and processes to identify and specify...