This extension a field to page records where you can specify short an arbitrary number URIs for the page. The short URIs become 301 redirects to the given page.
Configure the storage page for your URI records:
$GLOBALS['TYPO3_CONF_VARS']['EXTCONF']['cicshorturls']['storagePid'] = 1234;
or in Page TSConfig:
TCAdefaults.tx_cicshorturls_domain_model_shorturi.pid = 1234