function crmapi_menu() {
  $items = array();
  $items['crmapi/%crmapi_section'] = array(
    'title callback' => 'crmapi_title',
    'title arguments' => array(1),
    'page callback' => 'drupal_get_form',
    'page arguments' => array('crmapi_contact_form', 1),
    'access arguments' => array('access content'),
    'type' => MENU_CALLBACK,
  );
  return $items;
}

function crmapi_section_load($section) {
  return $section;
}

function crmngp_ui_contact_form(&$form_state, $section = NULL, $contact_id = NULL) {
  print_r(func_get_args()); exit;
  ...
}