<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On 17 Apr 2015, at 14:41, Shane Kerr <<a href="mailto:shane@time-travellers.org" class="">shane@time-travellers.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">For ages the "phone" attribute has been mandatory in person objects</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">(since 1995 with document RIPE 49 at least).</span></div></blockquote></div><br class=""><div class="">Hello,</div><div class=""><br class=""></div><div class="">Just for the record:</div><div class=""><a href="https://tools.ietf.org/html/rfc2622#section-3.2" class="">https://tools.ietf.org/html/rfc2622#section-3.2</a></div><div class=""><br class=""></div><div class="">All the best,</div><div class="">Kaveh.</div><div class=""><br class=""></div></body></html>