magento get shipping method

$shippingmethods = Mage::getSingleton('shipping/config');
foreach($shippingmethods as $code =>$carrier){
     $shipTitle = Mage::getStoreConfig('carriers/'.$code.'/title');
     $shipName = Mage::getStoreConfig('carriers/'.$code.'/name');
     $shipErrorMsg = Mage::getStoreConfig('carriers/'.$code.'/specificerrmsg');
}