Telecommunications for Disaster Relief (TDR) is a proposal by the International Telecommunication Union to establish worldwide standards of interoperability and availability of emergency communications. The notion of establishing such standards was spurred in part by the 2004 Indian Ocean earthquake and tsunami which devastated Indonesia .
11-501: [REDACTED] Look up tdr in Wiktionary, the free dictionary. TDR may refer to: Science and medicine [ edit ] Telecommunications for Disaster Relief , a proposed standard Time-domain reflectometry , a measuring method Time-domain reflectometer , an instrument used for time-domain reflectometry Radiolabeled thymidine (TdR) Totally drug-resistant ,
22-744: A feature in the Windows operating system that allows it to recover from video driver errors Transferable development rights , a method for controlling land use Troubled debt restructuring , a debt restructuring process Total dependency ratio , ratio of dependents to workers Total DramaRama , an animated series on Cartoon Network Throttleable ducted rocket, a type of air-augmented rocket motor See also [ edit ] [REDACTED] Search for "tdr" , "td-r" , "t-dr" , or "t-d-r" on Misplaced Pages. All pages with titles beginning with TDR All pages with titles containing TDR Topics referred to by
33-565: Is different from Wikidata All article disambiguation pages All disambiguation pages Telecommunications for Disaster Relief The ITU assigned country code +888 for TDR, administered by the United Nations Office for the Coordination of Humanitarian Affairs . Numbers were assigned for the duration of a particular relief activity only, and could be reused for a future event. However, country code +888
44-530: Is in data processing and communications. Several identification systems have been developed. The term country code frequently refers to ISO 3166-1 alpha-2, as well as the telephone country code, which is embodied in the E.164 recommendation by the International Telecommunication Union (ITU). The standard ISO 3166-1 defines short identification codes for most countries and dependent areas: The two-letter codes are used as
55-695: The International Telecommunication Union (ITU) to participate in the international public switched telephone network (PSTN). County codes are defined by the ITU-T section of the ITU in standards E.123 and E.164 . Country codes constitute the international telephone numbering plan , and are dialed only when calling a telephone number in another country. They are dialed before the national telephone number. International calls require at least one additional prefix to be dialing before
66-527: The ability of a microbe to resist the effects of all known drugs Groups and organizations [ edit ] The Designers Republic , a former graphic design studio in England Tony D'Alberto Racing , an Australian V8 Supercar motor racing team Other [ edit ] TDR (journal) , The Drama Review , an academic journal Tokyo Disney Resort , Japan Interstate TDR , WWII US Navy aerial drone Timeout Detection and Recovery ,
77-515: The basis for other codes and applications, for example, Other applications are defined in ISO 3166-1 alpha-2 . In telecommunications , a country code , or international subscriber dialing (ISD) code, is a telephone number prefix used in international direct dialing (IDD) and for destination routing of telephone calls to a country other than the caller's. A country or region with an autonomous telephone administration must apply for membership in
88-529: The capacity of each network at the time. France, the United Kingdom, the USA and USSR obtained preferential numbers due to their dominance in telecommunications at the time whilst China was able to ensure that Taiwan was officially left unlisted whilst being allocated the code "886". The developers of ISO 3166 intended that in time it would replace other coding systems. Country identities may be encoded in
99-496: The country code, to connect the call to international circuits, the international call prefix . When printing telephone numbers this is indicated by a plus-sign ( + ) in front of a complete international telephone number, per recommendation E164 by the ITU. The International Telecommunications Union (ITU) created country codes for international dialing, first introduced in 1960 for Europe and expanded globally in 1964. Numbers were typically allocated by landmass and then subdivided by
110-403: The same term [REDACTED] This disambiguation page lists articles associated with the title TDR . If an internal link led you here, you may wish to change the link to point directly to the intended article. Retrieved from " https://en.wikipedia.org/w/index.php?title=TDR&oldid=1223658113 " Category : Disambiguation pages Hidden categories: Short description
121-439: Was withdrawn from service and is now officially marked as “returned to spare.” This article related to telecommunications is a stub . You can help Misplaced Pages by expanding it . This article about disaster management or a disaster is a stub . You can help Misplaced Pages by expanding it . Country code A country code is a short alphanumeric identification code for countries and dependent areas. Its primary use
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