Vault Professional provides options for work item tracking. If you use Axosoft OnTime, the Vault Professional client can connect to an Axosoft OnTime server for access to OnTime defect tracking.
Vault Professional supports integration with Axosoft Ontime 2009, 2010 and 2011 defect tracking. Integration is available for OnTime defects only. Vault Professional integration is not available with OnTime features or tasks.