http://www.knoow.net/en/sceconent/management/telemarketing.h...
According to the application form, telemarketing can be classified as Active (out Bound) or as Passive or Receptive (In Bound). In the case of active telemarketing, it’s the company who takes the initiative to contact its clients or potential clients (therefore the out bound designation) in order to gather information or to make the sale. As to receptive telemarketing, the companies make themselves available to its clients or potential clients, belonging to these last the contact initiative.