gistfile1.php

<?php

$listViewDefs ['Calls'] = 
array (
  
  --clipped code--

  'CONTACT_PHONE_WORK' => 
  array (
    'width' => '10%',
    'label' => 'Contact Phone Work',
    'link' => false,
    'default' => true,
    'sortable' => false,
  ),
);