Human resources - Each Faculty and Directorate has a specific link HR team who are able to advise you on your employment related queries. IT Services – Supports the University’s IT infrastructure and systems for staff and students. You can also contact OBIS on extension 3311. OCSLD – The Oxford Centre for Staff Learning and Development provides training and development opportunities for members of staff. Switchboard – The University’s switchboard can connect you to any internal extension or dial externally for you if required. Dial 100 to contact switchboard.