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class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Serie"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Serie</span> </div> </a> <ul id="toc-Serie-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Voci_correlate" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Voci_correlate"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Voci correlate</span> </div> </a> <ul id="toc-Voci_correlate-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Collegamenti_esterni" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Collegamenti_esterni"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Collegamenti esterni</span> </div> </a> <ul id="toc-Collegamenti_esterni-sublist" class="vector-toc-list"> </ul> </li> </ul> 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class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">ITU-T</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Vai a una voce in un'altra lingua. Disponibile in 22 lingue" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-22" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">22 lingue</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%82%D8%B7%D8%A7%D8%B9_%D8%AA%D9%88%D8%AD%D9%8A%D8%AF_%D9%85%D9%82%D8%A7%D9%8A%D9%8A%D8%B3_%D8%A7%D9%84%D8%A7%D8%AA%D8%B5%D8%A7%D9%84%D8%A7%D8%AA_(ITU-T)" title="قطاع توحيد مقاييس الاتصالات (ITU-T) - arabo" lang="ar" hreflang="ar" data-title="قطاع توحيد مقاييس الاتصالات (ITU-T)" data-language-autonym="العربية" data-language-local-name="arabo" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-ca badge-Q70894304 mw-list-item" title=""><a href="https://ca.wikipedia.org/wiki/UIT-T" title="UIT-T - catalano" lang="ca" hreflang="ca" data-title="UIT-T" data-language-autonym="Català" data-language-local-name="catalano" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/International_Telecommunication_Union,_Telecommunication_standardization_sector" title="International Telecommunication Union, Telecommunication standardization sector - danese" lang="da" hreflang="da" data-title="International Telecommunication Union, Telecommunication standardization sector" data-language-autonym="Dansk" data-language-local-name="danese" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de badge-Q70894304 mw-list-item" title=""><a href="https://de.wikipedia.org/wiki/ITU-T" title="ITU-T - tedesco" lang="de" hreflang="de" data-title="ITU-T" data-language-autonym="Deutsch" data-language-local-name="tedesco" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/ITU-T" title="ITU-T - inglese" lang="en" hreflang="en" data-title="ITU-T" data-language-autonym="English" data-language-local-name="inglese" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo badge-Q70894304 mw-list-item" title=""><a href="https://eo.wikipedia.org/wiki/ITU-TSS" title="ITU-TSS - esperanto" lang="eo" hreflang="eo" data-title="ITU-TSS" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Sector_de_Normalizaci%C3%B3n_de_las_Telecomunicaciones_de_la_UIT" title="Sector de Normalización de las Telecomunicaciones de la UIT - spagnolo" lang="es" hreflang="es" data-title="Sector de Normalización de las Telecomunicaciones de la UIT" data-language-autonym="Español" data-language-local-name="spagnolo" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fr badge-Q70894304 mw-list-item" title=""><a href="https://fr.wikipedia.org/wiki/UIT-T" title="UIT-T - francese" lang="fr" hreflang="fr" data-title="UIT-T" data-language-autonym="Français" data-language-local-name="francese" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/ITU-T" title="ITU-T - ungherese" lang="hu" hreflang="hu" data-title="ITU-T" data-language-autonym="Magyar" data-language-local-name="ungherese" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-io mw-list-item"><a href="https://io.wikipedia.org/wiki/ITU-T" title="ITU-T - ido" lang="io" hreflang="io" data-title="ITU-T" data-language-autonym="Ido" data-language-local-name="ido" class="interlanguage-link-target"><span>Ido</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E5%9B%BD%E9%9A%9B%E9%9B%BB%E6%B0%97%E9%80%9A%E4%BF%A1%E9%80%A3%E5%90%88%E9%9B%BB%E6%B0%97%E9%80%9A%E4%BF%A1%E6%A8%99%E6%BA%96%E5%8C%96%E9%83%A8%E9%96%80" title="国際電気通信連合電気通信標準化部門 - giapponese" lang="ja" hreflang="ja" data-title="国際電気通信連合電気通信標準化部門" data-language-autonym="日本語" data-language-local-name="giapponese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/ITU-T" title="ITU-T - coreano" lang="ko" hreflang="ko" data-title="ITU-T" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/ITU-T" title="ITU-T - macedone" lang="mk" hreflang="mk" data-title="ITU-T" data-language-autonym="Македонски" data-language-local-name="macedone" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/ITU-T" title="ITU-T - olandese" lang="nl" hreflang="nl" data-title="ITU-T" data-language-autonym="Nederlands" data-language-local-name="olandese" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/ITU-T" title="ITU-T - norvegese bokmål" lang="nb" hreflang="nb" data-title="ITU-T" data-language-autonym="Norsk bokmål" data-language-local-name="norvegese bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/ITU-T" title="ITU-T - polacco" lang="pl" hreflang="pl" data-title="ITU-T" data-language-autonym="Polski" data-language-local-name="polacco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Setor_de_Normatiza%C3%A7%C3%A3o_das_Telecomunica%C3%A7%C3%B5es" title="Setor de Normatização das Telecomunicações - portoghese" lang="pt" hreflang="pt" data-title="Setor de Normatização das Telecomunicações" data-language-autonym="Português" data-language-local-name="portoghese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A1%D0%B5%D0%BA%D1%82%D0%BE%D1%80_%D1%81%D1%82%D0%B0%D0%BD%D0%B4%D0%B0%D1%80%D1%82%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D0%B8_%D1%8D%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%BE%D1%81%D0%B2%D1%8F%D0%B7%D0%B8_%D0%9C%D0%A1%D0%AD" title="Сектор стандартизации электросвязи МСЭ - russo" lang="ru" hreflang="ru" data-title="Сектор стандартизации электросвязи МСЭ" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/ITU-T" title="ITU-T - turco" lang="tr" hreflang="tr" data-title="ITU-T" data-language-autonym="Türkçe" data-language-local-name="turco" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk badge-Q70894304 mw-list-item" title=""><a href="https://uk.wikipedia.org/wiki/ITU-T" title="ITU-T - ucraino" lang="uk" hreflang="uk" data-title="ITU-T" data-language-autonym="Українська" data-language-local-name="ucraino" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/ITU-T" title="ITU-T - vietnamita" lang="vi" hreflang="vi" data-title="ITU-T" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamita" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E5%9C%8B%E9%9A%9B%E9%9B%BB%E4%BF%A1%E8%81%AF%E7%9B%9F%E9%9B%BB%E4%BF%A1%E6%A8%99%E6%BA%96%E5%8C%96%E9%83%A8%E9%96%80" title="國際電信聯盟電信標準化部門 - cinese" lang="zh" hreflang="zh" data-title="國際電信聯盟電信標準化部門" data-language-autonym="中文" data-language-local-name="cinese" class="interlanguage-link-target"><span>中文</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q4007363#sitelinks-wikipedia" title="Modifica collegamenti interlinguistici" class="wbc-editpage">Modifica collegamenti</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Namespace"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/ITU-T" title="Vedi la voce [c]" accesskey="c"><span>Voce</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Discussione:ITU-T&action=edit&redlink=1" rel="discussion" class="new" title="Vedi le discussioni relative a questa pagina (la pagina non esiste) [t]" accesskey="t"><span>Discussione</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Cambia versione linguistica" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">italiano</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Visite"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/ITU-T"><span>Leggi</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=ITU-T&veaction=edit" title="Modifica questa pagina [v]" accesskey="v"><span>Modifica</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=ITU-T&action=edit" title="Modifica il wikitesto di questa pagina [e]" accesskey="e"><span>Modifica wikitesto</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=ITU-T&action=history" title="Versioni precedenti di questa pagina [h]" accesskey="h"><span>Cronologia</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Strumenti pagine"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Strumenti" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Strumenti</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Strumenti</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">sposta nella barra laterale</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">nascondi</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Altre opzioni" > <div class="vector-menu-heading"> Azioni </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/ITU-T"><span>Leggi</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=ITU-T&veaction=edit" title="Modifica questa pagina [v]" accesskey="v"><span>Modifica</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=ITU-T&action=edit" title="Modifica il wikitesto di questa pagina [e]" accesskey="e"><span>Modifica wikitesto</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=ITU-T&action=history"><span>Cronologia</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Generale </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Speciale:PuntanoQui/ITU-T" title="Elenco di tutte le pagine che sono collegate a questa [j]" accesskey="j"><span>Puntano qui</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Speciale:ModificheCorrelate/ITU-T" rel="nofollow" title="Elenco delle ultime modifiche alle pagine collegate a questa [k]" accesskey="k"><span>Modifiche correlate</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=ITU-T&oldid=142397322" title="Collegamento permanente a questa versione di questa pagina"><span>Link permanente</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=ITU-T&action=info" title="Ulteriori informazioni su questa pagina"><span>Informazioni pagina</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Speciale:Cita&page=ITU-T&id=142397322&wpFormIdentifier=titleform" title="Informazioni su come citare questa pagina"><span>Cita questa voce</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Speciale:UrlShortener&url=https%3A%2F%2Fit.wikipedia.org%2Fwiki%2FITU-T"><span>Ottieni URL breve</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Speciale:QrCode&url=https%3A%2F%2Fit.wikipedia.org%2Fwiki%2FITU-T"><span>Scarica codice QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Stampa/esporta </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Speciale:Libro&bookcmd=book_creator&referer=ITU-T"><span>Crea un libro</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Speciale:DownloadAsPdf&page=ITU-T&action=show-download-screen"><span>Scarica come PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=ITU-T&printable=yes" title="Versione stampabile di questa pagina [p]" accesskey="p"><span>Versione stampabile</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet 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th{background-color:#dedede;font-size:116%;padding:.2em .4em;text-align:center}.mw-parser-output .sinottico_testo_centrale{text-align:center}</style><table class="infobox sinottico" summary="Tabella sinottica che riassume i principali dati del soggetto"><tbody><tr class="sinottico_testata"><th colspan="2" style="background:#87cefa">ITU-T</th></tr><tr><td class="sinottico_testo_centrale" colspan="2">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) International Telecommunication Union – Telecommunication Standardization Bureau </td></tr><tr><td class="sinottico_testo_centrale" colspan="2"><figure class="mw-halign-center" typeof="mw:File/Frameless"><a href="/wiki/File:International_Telecommunication_Union_logo.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/International_Telecommunication_Union_logo.svg/136px-International_Telecommunication_Union_logo.svg.png" decoding="async" width="136" height="150" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/International_Telecommunication_Union_logo.svg/204px-International_Telecommunication_Union_logo.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/e1/International_Telecommunication_Union_logo.svg/272px-International_Telecommunication_Union_logo.svg.png 2x" data-file-width="272" data-file-height="300" /></a><figcaption></figcaption></figure> </td></tr><tr><th>Abbreviazione</th><td>ITU-T </td></tr><tr><th>Tipo</th><td><a href="/wiki/Organizzazione_internazionale" title="Organizzazione internazionale">organizzazione internazionale</a> (istituto specializzato dell'<a href="/wiki/Organizzazione_delle_Nazioni_Unite" title="Organizzazione delle Nazioni Unite">ONU</a>) </td></tr><tr><th>Affiliazione internazionale</th><td><a href="/wiki/International_Telecommunication_Union" class="mw-redirect" title="International Telecommunication Union">International Telecommunication Union</a> </td></tr><tr><th>Fondazione</th><td>1º marzo 1993 </td></tr><tr><th>Sede centrale</th><td><span style="margin:0px 2px 0px 2px"><span class="mw-image-border noviewer" typeof="mw:File"><a href="/wiki/File:Flag_of_Switzerland.svg" class="mw-file-description" title="Svizzera (bandiera)"><img alt="Svizzera (bandiera)" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Flag_of_Switzerland.svg/16px-Flag_of_Switzerland.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Flag_of_Switzerland.svg/24px-Flag_of_Switzerland.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/f3/Flag_of_Switzerland.svg/32px-Flag_of_Switzerland.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span></span> <a href="/wiki/Ginevra" title="Ginevra">Ginevra</a> </td></tr><tr><th>Area di azione</th><td><span style="white-space:nowrap"><span class="mw-image-border noviewer" typeof="mw:File"><a href="/wiki/File:Newworldmap.svg" class="mw-file-description" title="Mondo (bandiera)"><img alt="Mondo (bandiera)" src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Newworldmap.svg/20px-Newworldmap.svg.png" decoding="async" width="20" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Newworldmap.svg/30px-Newworldmap.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Newworldmap.svg/40px-Newworldmap.svg.png 2x" data-file-width="1482" data-file-height="752" /></a></span> </span><a href="/wiki/Mondo" title="Mondo">Mondo</a> </td></tr><tr><th>Presidente</th><td><span class="mw-image-border noviewer" typeof="mw:File"><a href="/wiki/File:Flag_of_South_Korea.svg" class="mw-file-description" title="Corea del Sud (bandiera)"><img alt="Corea del Sud (bandiera)" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/09/Flag_of_South_Korea.svg/20px-Flag_of_South_Korea.svg.png" decoding="async" width="20" height="13" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/09/Flag_of_South_Korea.svg/30px-Flag_of_South_Korea.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/09/Flag_of_South_Korea.svg/40px-Flag_of_South_Korea.svg.png 2x" data-file-width="900" data-file-height="600" /></a></span> <a href="/w/index.php?title=Chaesub_Lee&action=edit&redlink=1" class="new" title="Chaesub Lee (la pagina non esiste)">Chaesub Lee</a> </td></tr><tr><td colspan="2" class="sinottico_piede" style="background:#87cefa"><a rel="nofollow" class="external text" href="https://www.itu.int/ITU-T/">Sito web</a>, <a rel="nofollow" class="external text" href="https://www.itu.int/ar/ITU-T/">Sito web</a>, <a rel="nofollow" class="external text" href="https://www.itu.int/es/ITU-T/">Sito web</a>, <a rel="nofollow" class="external text" href="https://www.itu.int/fr/ITU-T/">Sito web</a>, <a rel="nofollow" class="external text" href="https://www.itu.int/ru/ITU-T/">Sito web</a> e <a rel="nofollow" class="external text" href="https://www.itu.int/zh/ITU-T/">Sito web</a> </td></tr><tr><td class="sinottico_piede2 noprint nomobile metadata" colspan="2"><a href="https://www.wikidata.org/wiki/Q4007363" class="extiw" title="d:Q4007363"><span title="Modifica i dati della voce ITU-T su Wikidata">Modifica dati su Wikidata</span></a><b> ·</b> <a href="/wiki/Template:Organizzazione/man" title="Template:Organizzazione/man"><span title="Manuale del template Organizzazione">Manuale</span></a></td></tr></tbody></table> <p><b>ITU-T</b> è l'acronimo di <b>International Telecommunication Union – Telecommunication Standardization Bureau</b>, ovvero è il settore dell'<a href="/wiki/Unione_internazionale_delle_telecomunicazioni" title="Unione internazionale delle telecomunicazioni">Unione internazionale delle telecomunicazioni</a> (ITU) che si occupa di regolare le <a href="/wiki/Telecomunicazioni" class="mw-redirect" title="Telecomunicazioni">telecomunicazioni</a> telefoniche e telegrafiche. Fino al <a href="/wiki/1992" title="1992">1992</a> era noto come <b><a href="/wiki/CCITT" class="mw-redirect" title="CCITT">CCITT</a></b> (Comité Consultatif International Téléphonique et Télégraphique). </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Attività"><span id="Attivit.C3.A0"></span>Attività</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ITU-T&veaction=edit&section=1" title="Modifica la sezione Attività" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=ITU-T&action=edit&section=1" title="Edit section's source code: Attività"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>L'ITU-T fornisce delle specifiche <a href="/wiki/Norma_tecnica" title="Norma tecnica">standard</a> (o <i>raccomandazioni</i>) riconosciute a livello internazionale. Le varie aree di lavoro corrispondono ad altrettante <i>serie</i>, rappresentate da una lettera maiuscola, mentre le singole specifiche interne a ciascuna serie sono rappresentate da un numero. Complessivamente, una particolare specifica può chiamarsi ad esempio <i>V.200</i>. </p> <div class="mw-heading mw-heading2"><h2 id="Serie">Serie</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ITU-T&veaction=edit&section=2" title="Modifica la sezione Serie" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=ITU-T&action=edit&section=2" title="Edit section's source code: Serie"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Questa <a href="/wiki/Aiuto:Liste" title="Aiuto:Liste">lista</a> è suscettibile di variazioni e potrebbe essere incompleta o non aggiornata. </p> <ul><li><b>A</b> - organizzazione del lavoro della ITU-T</li> <li><b>B</b> - linguaggio: definizioni, simboli, classificazioni</li> <li><b>C</b> - statistiche generali delle telecomunicazioni</li> <li><b>D</b> - principi generali delle tariffe</li> <li><b>E</b> - operazione complessiva della rete, servizi telefonici, fattori umani</li> <li><b>F</b> - servizi non telefonici</li> <li><b>G</b> - sistemi e mezzi di trasmissione, sistemi e reti digitali <ul><li><a href="/wiki/G.711" title="G.711">G.711</a></li> <li><a href="/wiki/G.723" title="G.723">G.723</a></li> <li><a href="/wiki/G.729" title="G.729">G.729</a></li></ul></li> <li><b>H</b> - sistemi audiovisivi e multimediali <ul><li><a href="/wiki/H.323" title="H.323">H.323</a></li> <li><a href="/wiki/H.324" title="H.324">H.324</a></li> <li><a href="/wiki/H.264" title="H.264">H.264</a></li> <li><a href="/wiki/H.265" class="mw-redirect" title="H.265">H.265</a></li></ul></li> <li><b>I</b> - <a href="/wiki/ISDN" class="mw-redirect" title="ISDN">ISDN</a></li> <li><b>J</b> - trasmissioni televisive e altri segnali multimediali</li> <li><b>K</b> - protezione dall'interferenza</li> <li><b>L</b> - cablaggi e altri elementi esterni</li> <li><b>M</b> - gestione e manutenzione della rete: sistemi di trasmissione internazionali, telefonia, telegrafia, <a href="/wiki/Fax" title="Fax">fax</a>...</li> <li><b>N</b> - manutenzione: circuiti internazionali di trasmissione audiovisiva</li> <li><b>O</b> - strumenti di misura</li> <li><b>P</b> - qualità delle trasmissioni telefoniche, installazioni telefoniche... <ul><li><a href="/wiki/P.800" class="mw-redirect" title="P.800">P.800</a></li></ul></li> <li><b>Q</b> - commutazione dei segnali <ul><li><a href="/wiki/Q.931" title="Q.931">Q.931</a></li></ul></li> <li><b>R</b> - trasmissioni telegrafiche</li> <li><b>S</b> - strumentazione telegrafica</li> <li><b>T</b> - terminali per servizi telematici</li> <li><b>U</b> - commutazione telegrafica</li> <li><b>V</b> - trasmissione di dati su circuiti telefonici <ul><li><a href="/w/index.php?title=V.29&action=edit&redlink=1" class="new" title="V.29 (la pagina non esiste)">V.29</a></li> <li><a href="/w/index.php?title=V.32&action=edit&redlink=1" class="new" title="V.32 (la pagina non esiste)">V.32</a></li> <li><a href="/w/index.php?title=V.34&action=edit&redlink=1" class="new" title="V.34 (la pagina non esiste)">V.34</a></li> <li><a href="/wiki/V.90" title="V.90">V.90</a></li></ul></li> <li><b>X</b> - <a href="/wiki/Rete_di_computer" title="Rete di computer">reti informatiche</a>, <a href="/wiki/Modello_OSI" title="Modello OSI">modello OSI</a> <ul><li><a href="/wiki/X.25" title="X.25">X.25</a></li> <li><a href="/wiki/ASN.1" title="ASN.1">X.208</a></li> <li><a href="/wiki/X.500" title="X.500">X.500</a></li> <li><a href="/wiki/X.509" title="X.509">X.509</a></li></ul></li> <li><b>Y</b> - infrastrutture e protocolli di internet</li> <li><b>Z</b> - linguaggi e software di telecomunicazione</li></ul> <div class="mw-heading mw-heading2"><h2 id="Voci_correlate">Voci correlate</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ITU-T&veaction=edit&section=3" title="Modifica la sezione Voci correlate" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=ITU-T&action=edit&section=3" title="Edit section's source code: Voci correlate"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/Prefissi_ITU" title="Prefissi ITU">Prefissi ITU</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="Collegamenti_esterni">Collegamenti esterni</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=ITU-T&veaction=edit&section=4" title="Modifica la sezione Collegamenti esterni" class="mw-editsection-visualeditor"><span>modifica</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=ITU-T&action=edit&section=4" title="Edit section's source code: Collegamenti esterni"><span>modifica wikitesto</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li class="mw-empty-elt"></li> <li><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="https://www.itu.int/ITU-T/"><span style="font-style:italic;">Sito ufficiale</span></a>, su <span style="font-style:italic;">itu.int</span>.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q4007363#P856" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li> <li><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="arabo">AR</abbr></span>) <a rel="nofollow" class="external text" href="https://www.itu.int/ar/ITU-T/"><span style="font-style:italic;">Sito ufficiale</span></a>, su <span style="font-style:italic;">itu.int</span>.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q4007363#P856" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li> <li><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="spagnolo">ES</abbr></span>) <a rel="nofollow" class="external text" href="https://www.itu.int/es/ITU-T/"><span style="font-style:italic;">Sito ufficiale</span></a>, su <span style="font-style:italic;">itu.int</span>.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q4007363#P856" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li> <li><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="francese">FR</abbr></span>) <a rel="nofollow" class="external text" href="https://www.itu.int/fr/ITU-T/"><span style="font-style:italic;">Sito ufficiale</span></a>, su <span style="font-style:italic;">itu.int</span>.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q4007363#P856" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li> <li><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="russo">RU</abbr></span>) <a rel="nofollow" class="external text" href="https://www.itu.int/ru/ITU-T/"><span style="font-style:italic;">Sito ufficiale</span></a>, su <span style="font-style:italic;">itu.int</span>.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q4007363#P856" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li> <li><cite class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="cinese">ZH</abbr></span>) <a rel="nofollow" class="external text" href="https://www.itu.int/zh/ITU-T/"><span style="font-style:italic;">Sito ufficiale</span></a>, su <span style="font-style:italic;">itu.int</span>.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q4007363#P856" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li> <li><cite id="CITEREFBritannica.com" class="citation web" style="font-style:normal">(<span style="font-weight:bolder; font-size:80%"><abbr title="inglese">EN</abbr></span>) <a rel="nofollow" class="external text" href="https://www.britannica.com/topic/Telecommunication-Standardization-Sector"><span style="font-style:italic;">Telecommunication Standardization Sector</span></a>, su <span style="font-style:italic;"><a href="/wiki/Enciclopedia_Britannica" title="Enciclopedia Britannica">Enciclopedia Britannica</a></span>, Encyclopædia Britannica, Inc.</cite> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q4007363#P1417" title="Modifica su Wikidata"><img alt="Modifica su Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></li></ul> <style data-mw-deduplicate="TemplateStyles:r140554510">.mw-parser-output .CdA{border:1px solid #aaa;width:100%;margin:auto;font-size:90%;padding:2px}.mw-parser-output .CdA th{background-color:#f2f2f2;font-weight:bold;width:20%}@media screen{html.skin-theme-clientpref-night .mw-parser-output .CdA{border-color:#54595D}html.skin-theme-clientpref-night .mw-parser-output .CdA th{background-color:#202122}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .CdA{border-color:#54595D}html.skin-theme-clientpref-os .mw-parser-output .CdA th{background-color:#202122}}</style><table class="CdA"><tbody><tr><th><a href="/wiki/Aiuto:Controllo_di_autorit%C3%A0" title="Aiuto:Controllo di autorità">Controllo di autorità</a></th><td><a href="/wiki/Virtual_International_Authority_File" title="Virtual International Authority File">VIAF</a> <span class="uid">(<span style="font-weight:bolder; font-size:80%"><abbr 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class="external text" href="https://id.ndl.go.jp/auth/ndlna/00353494">00353494</a></span></td></tr></tbody></table> <div class="noprint" style="width:100%; padding: 3px 0; display: flex; flex-wrap: wrap; row-gap: 4px; column-gap: 8px; box-sizing: border-box;"><div style="flex-grow: 1"><style data-mw-deduplicate="TemplateStyles:r140555418">.mw-parser-output .itwiki-template-occhiello{width:100%;line-height:25px;border:1px solid #CCF;background-color:#F0EEFF;box-sizing:border-box}.mw-parser-output .itwiki-template-occhiello-progetto{background-color:#FAFAFA}@media screen{html.skin-theme-clientpref-night .mw-parser-output .itwiki-template-occhiello{background-color:#202122;border-color:#54595D}html.skin-theme-clientpref-night .mw-parser-output .itwiki-template-occhiello-progetto{background-color:#282929}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output 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