JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://rawgit.com/sipuni/static-calltracking/master/src/sipuni-calltracking.js?v=2"></script>
Тел:<span class="ct_phone">+7 495 555-22-11</span>

JavaScript

var wnd = {
   document:{referrer:'http://habrahabr.ru'},
   location:{href:'http://mysite.com/?utm_source=adwords'}
};

sipuniCalltracking({
  cookie_ttl_days: 0,
  cookie_key: 'test_c',
	sources: {
    'yadirect':{'utm_source': 'direct.yandex.ru'},
    'articles':{'ref': /(habrahabr|oborot.ru)/ig}
  },
  phones: [
    {'src':'yadirect', 'phone':['+74951111114']},
    {'src':'articles', 'phone':['+74952222224']}
  ],
  pattern:'+# (###) ###-##-##'
}, wnd);