$prop_fields ==
array (
  'ID' => '23',
  '~ID' => '23',
  'TIMESTAMP_X' => '2015-03-30 20:11:47',
  '~TIMESTAMP_X' => '2015-03-30 20:11:47',
  'IBLOCK_ID' => '16',
  '~IBLOCK_ID' => '16',
  'NAME' => 'Отдел',
  '~NAME' => 'Отдел',
  'ACTIVE' => 'Y',
  '~ACTIVE' => 'Y',
  'SORT' => '100',
  '~SORT' => '100',
  'CODE' => 'DEPARTAMENT',
  '~CODE' => 'DEPARTAMENT',
  'DEFAULT_VALUE' => '',
  '~DEFAULT_VALUE' => '',
  'PROPERTY_TYPE' => 'S',
  '~PROPERTY_TYPE' => 'S',
  'ROW_COUNT' => '1',
  '~ROW_COUNT' => '1',
  'COL_COUNT' => '30',
  '~COL_COUNT' => '30',
  'LIST_TYPE' => 'L',
  '~LIST_TYPE' => 'L',
  'MULTIPLE' => 'N',
  '~MULTIPLE' => 'N',
  'XML_ID' => NULL,
  '~XML_ID' => NULL,
  'FILE_TYPE' => '',
  '~FILE_TYPE' => '',
  'MULTIPLE_CNT' => '5',
  '~MULTIPLE_CNT' => '5',
  'TMP_ID' => NULL,
  '~TMP_ID' => NULL,
  'LINK_IBLOCK_ID' => '0',
  '~LINK_IBLOCK_ID' => '0',
  'WITH_DESCRIPTION' => 'N',
  '~WITH_DESCRIPTION' => 'N',
  'SEARCHABLE' => 'Y',
  '~SEARCHABLE' => 'Y',
  'FILTRABLE' => 'N',
  '~FILTRABLE' => 'N',
  'IS_REQUIRED' => 'N',
  '~IS_REQUIRED' => 'N',
  'VERSION' => '2',
  '~VERSION' => '2',
  'USER_TYPE' => NULL,
  '~USER_TYPE' => NULL,
  'USER_TYPE_SETTINGS' => NULL,
  '~USER_TYPE_SETTINGS' => NULL,
  'HINT' => '',
  '~HINT' => '',
)

23 - DEPARTAMENT - Отдел - Y
24 - POSITION - Должность - Y
25 - PHONE - Телефон внутренний - Y
140 - PHONE_EXT - Телефон городской - Y
1191 - PHONE_CELL - Телефон мобильный - Y
26 - ADDRESS - Адрес - N
27 - EMAIL - Email - N
141 - ROOM - Кабинет - N
142 - BUILDING - Корпус - N