Disable Skype phone highlighting in Internet Explorer. http://bacsoftwareconsulting.com/blog/index.php/web-development/prevent-skype-from-highlighting-phone-numbers

drupal.disableSkypeHighlightingIE.php

<?php

function MYMODULE_preprocess_html(&$vars) {
  /**
   * Disable Skype phone highlighting in Internet Explorer.
   * Add meta: <meta name="SKYPE_TOOLBAR" content="SKYPE_TOOLBAR_PARSER_COMPATIBLE" />
   * @see http://bacsoftwareconsulting.com/blog/index.php/web-development/prevent-skype-from-highlighting-phone-numbers/ 
   */
  $meta = array(
    '#type' => 'html_tag',
    '#tag' => 'meta',
    '#attributes' => array(
      'name' => 'SKYPE_TOOLBAR',
      'content' =>  'SKYPE_TOOLBAR_PARSER_COMPATIBLE',
    )
  );
  drupal_add_html_head($meta, 'SKYPE_TOOLBAR');
}

?>