Same article without paywall: <a href="http://www.todayevery.com/share/Syx3xYzv5e?hint=SB12580892754490123402004582622002195546624?responsive=y/articles" rel="nofollow">http://www.todayevery.com/share/Syx3xYzv5e?hint=SB1258089275...</a><p>"<i>The bug uses <A HREF=”tel:+911″>Call now</A> link parsed in Safari or other browsers to make the iPhone make repeated calls to 911. The tricks discovered by Mulliner included placing a telephone URL in an IFRAME, using a phone number as the target of a web page refresh or redirect, and altering the URL of an already-loaded page using JavaScript. "</i> Source: <a href="https://www.techworm.net/2016/11/ios-911-bug-forces-iphones-repeatedly-call-911.html" rel="nofollow">https://www.techworm.net/2016/11/ios-911-bug-forces-iphones-...</a><p>Technical bug description: <a href="https://archive.cert.uni-stuttgart.de/bugtraq/2009/06/msg00190.html" rel="nofollow">https://archive.cert.uni-stuttgart.de/bugtraq/2009/06/msg001...</a>