Как сделать подмену и номера и ссылки в sipuniCalltracking?

<script>
 sipuniCalltracking({
  cookie_ttl_days: 0,
  cookie_key: 'test_c',
  pattern: '',  
  sources: {
       'yadirect_ustanovka':{'utm_keyword': 'директ'},
       'yadirect_rassrochka':{'utm_keyword': 'эдвордс'}
    },
    phones: [
       {'src':'yadirect_ustanovka', 'phone':['277-77-11']},
       {'src':'yadirect_rassrochka', 'phone':['277-77-12']}
    ]
}, window);
</script>

<a href="tel:?????"><span  class="ct_phone">277-77-11</span></a>