computing Computing is any goal-oriented activity requiring, benefiting from, or creating computer, computing machinery. It includes the study and experimentation of algorithmic processes, and the development of both computer hardware, hardware and softw ...

, CHILL (an acronym for

CCITT The International Telecommunication Union Telecommunication Standardization Sector (ITU-T) is one of the three Sectors (branches) of the International Telecommunication Union (ITU). It is responsible for coordinating standards for telecommunicat ...

High Level Language A high-level programming language is a programming language with strong abstraction from the details of the computer. In contrast to low-level programming languages, it may use natural language ''elements'', be easier to use, or may automate (or ...

) is a procedural

programming language A programming language is a system of notation for writing computer programs. Programming languages are described in terms of their Syntax (programming languages), syntax (form) and semantics (computer science), semantics (meaning), usually def ...

designed for use in

telecommunication Telecommunication, often used in its plural form or abbreviated as telecom, is the transmission of information over a distance using electronic means, typically through cables, radio waves, or other communication technologies. These means of ...

switches (the hardware used inside telephone exchanges). The language is still used for

legacy system Legacy or Legacies may refer to: Arts and entertainment Comics * " Batman: Legacy", a 1996 Batman storyline * '' DC Universe: Legacies'', a comic book series from DC Comics * ''Legacy'', a 1999 quarterly series from Antarctic Press * ''Legacy ...

s in some telecommunication companies and for

signal box A signal is both the process and the result of transmission of data over some media accomplished by embedding some variation. Signals are important in multiple subject fields including signal processing, information theory and biology. In ...

programming. The CHILL language is similar in size and complexity to the original

Ada Ada may refer to: Arts and entertainment * '' Ada or Ardor: A Family Chronicle'', a novel by Vladimir Nabokov Film and television * Ada, a character in 1991 movie '' Armour of God II: Operation Condor'' * '' Ada... A Way of Life'', a 2008 Bollywo ...

language. The first specification of the CHILL language was published in 1980, a few years before Ada.

ITU The International Telecommunication Union (ITU)In the other common languages of the ITU: * * is a specialized agency of the United Nations responsible for many matters related to information and communication technologies. It was established ...

provides a standard CHILL compiler. A free CHILL compiler was bundled with GCC up to version 2.95: however, it was removed from later versions. An

object-oriented Object-oriented programming (OOP) is a programming paradigm based on the concept of '' objects''. Objects can contain data (called fields, attributes or properties) and have actions they can perform (called procedures or methods and impleme ...

version, called Object CHILL, was developed also.

is responsible for the CHILL standard, known as ITU-T Rec. Z.200. The equivalent

ISO The International Organization for Standardization (ISO ; ; ) is an independent, non-governmental, international standard development organization composed of representatives from the national standards organizations of member countries. Me ...

standard is ISO/IEC 9496:2003. (The text of the two documents is the same). In late 1999 CCITT stopped maintaining the CHILL standard. CHILL was used in systems of Alcatel System 12 and Siemens

EWSD The Elektronisches Wählsystem Digital (EWSD), translated to ''Electronic Digital Switching System'' in English, is a widely installed German telephone exchange system, originally introduced in 1975 by Siemens AG, but discontinued in 2017. EWSD ...

, for example.

References

External links

ITU Z.200 standard page
has freely downloadable CHILL spec

{{Authority control Procedural programming languages ITU-T recommendations Legacy systems Programming languages created in 1980 Programming languages with an ISO standard

See also

References

External links