The term telemarketing is defined as a functional activity for the development of direct and targeted telephone contacts to targets inside or outside the organization, in order to request and collect subscriptions, promises of adhesions, funds, volunteering, goods, services and more, in support of the cause, mission, activities and projects of the organization itself. Incoming Telemarketing (inbound) For incoming telemarketing (inbound) at the organization or any call center that operates on behalf of the institution, we mean the management of telephone contacts from outside and generated as a result of the 'sending brochures, coupons, questionnaires, contests, dissemination of telephone numbers, use of the toll-free number, dissemination of information through different means and in various forms (radio, TV, Internet, various types of paper communication). Outbound telemarketing (outbound) Outbound telemarketing refers to the activity of managing telephone contacts aimed at external and / or internal audiences of the organization. Internal public means members, supporters, friends whose names are present in the organization's database, or persons who have in any case given explicit permission to be contacted by telephone. External public means all those who have authorized the insertion of their name and other personal data in the telephone directories; or all those who have granted explicit authorization to receive telephone contacts, having signed a specific release form.