Tds u/s 194 c or 194j

Pradeep Kumar (Fresher) (24 Points)

13 January 2016  
Dear Sir, Suppose a Company gives contract to another company for call centre services i.e. Helpdesk services attending inbound and outbound calls from customers with the help of toll free number. Query is what is the tds rate applicable to this service? 194C or 194J?