RSTicketPro v2.0.0 rev6 - for Joomla 2.5 | 1,65 MB
RSTickets! Pro is the professional Joomla! HelpDesk ticketing system. It has a high level of personalization and will meet all of your customer support needs.
A help desk ticketing system will allow you to provide prompt and efficient support to your clients. RSTickets!Pro comes by default with an integrated knowledgebase system, thus allowing staff members to decrease response time and improve efficiency.
DEMO:
http://www.rsjoomla.com/joomla-extensions/joomla-help-desk.html