The original <a href="https://en.wikipedia.org/wiki/AT&amp;T_Corporation" id="mwArY" rel="mw:WikiLink" title="AT&amp;T Corporation">American Telephone &amp; Telegraph Company</a> is divested of its 22 <a href="https://en.wikipedia.org/wiki/Bell_System" id="mwArc" rel="mw:WikiLink" title="Bell System">Bell System</a> companies as a result of the settlement of the 1974 <a href="https://en.wikipedia.org/wiki/United_States_Department_of_Justice" id="mwArg" rel="mw:WikiLink" title="United States Department of Justice">United States Department of Justice</a> <a href="https://en.wikipedia.org/wiki/Competition_law" id="mwArk" rel="mw:WikiLink" title="Competition law">antitrust</a> <a href="https://en.wikipedia.org/wiki/Breakup_of_the_Bell_System" id="mwAro" rel="mw:WikiLink" title="Breakup of the Bell System">suit against AT&amp;T</a>.<sup about="#mwt435" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-85"}}' id="cite_ref-85" rel="dc:references" typeof="mw:Extension/ref"><a href="./January_1#cite_note-85" id="mwArs" style="counter-reset: mw-Ref 85;"><span class="mw-reflink-text" id="mwArw">[85]</span></a></sup>
<span class="mw-reference-text reference-text" id="mw-reference-text-cite_note-85"><cite about="#mwt432" class="citation book cs1" id="CITEREFChapuisJoel2003">Chapuis, Robert J.; <a href="./Amos_E._Joel_Jr." id="mwD-c" rel="mw:WikiLink" title="Amos E. Joel Jr.">Joel, A. E. Jr.</a> (2003). <a class="external text" href="https://books.google.com/books?id=07NmhqkOqwsC&amp;pg=PA545" id="mwD-g" rel="mw:ExtLink nofollow"><i id="mwD-k">100 Years of Telephone Switching</i></a>. IOS Press. pp.<span id="mwD-o" typeof="mw:Entity"> </span>545–. <a class="mw-redirect" href="./ISBN_(identifier)" id="mwD-s" rel="mw:WikiLink" title="ISBN (identifier)">ISBN</a><span id="mwD-w" typeof="mw:Entity"> </span><a href="./Special:BookSources/978-1-58603-372-9" id="mwD-0" rel="mw:WikiLink" title="Special:BookSources/978-1-58603-372-9"><bdi id="mwD-4">978-1-58603-372-9</bdi></a>.</cite><span about="#mwt432" class="Z3988" id="mwD-8" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=100+Years+of+Telephone+Switching&amp;rft.pages=545-&amp;rft.pub=IOS+Press&amp;rft.date=2003&amp;rft.isbn=978-1-58603-372-9&amp;rft.aulast=Chapuis&amp;rft.aufirst=Robert+J.&amp;rft.au=Joel%2C+A.+E.+Jr.&amp;rft_id=https%3A%2F%2Fbooks.google.com%2Fbooks%3Fid%3D07NmhqkOqwsC%26pg%3DPA545&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJanuary+1"></span></span>