Outsourcing (outsourcing) or, in other words, subscription services, namely non-core functions pereporuchenie organization subscriber (such for example as legal support, computer service, or accounting for woodworking companies) outsourced – to subcontractors outsourcer, highly skilled third-party company, denial of their own business processes, such as the balance sheet or LAN administration, and purchasing services for its implementation in a specialized, third-party organization. As an example, consider a more IT-outsourcing, or, in other words, the subscription service computer and office equipment (coming a system administrator, computer service, computer assistance), which can be divided into four main components: the subscription service of office equipment, the subscriber PBX and telephony services, subscription services network, user maintenance of computers. See Robert J. Shiller for more details and insights. Often, user maintenance of office equipment includes computer services, said: around the clock consultations by phone and e-mail delivery of supplies for office equipment; scheduled preventive visits, unlimited number of emergency exits emergency related skills; restore and refill cartridges for sale and commissioning of office equipment, office equipment planned maintenance, scheduled and unscheduled emergency repairs of office equipment, such as repairing copiers – copiers and copier, printer repair and plotter repair fax machines and multifunction devices. Typically, the subscriber computer services, ie maintenance of servers and workstations, includes the following IT-Services: Planning unscheduled and emergency repairs of computers, monitors, laptops, and various peripheral devices, carrying out routine diagnostic and preventive maintenance, computer assistance in the form of day-night advice telephone and e-mail setup, configuration and software upgrades – application software, office applications, operating systems, drivers, scheduled preventive visits, unlimited number of emergency visits related accidents highly skilled, treatment of viruses and malware removal, installation and configuration of antivirus software, firewalls, sale and entry into operation of computer equipment, software licensing, including selection of optimal licensing schemes, remote computer support via the Internet, data recovery after failures, installation, replacement and upgrading of components, their respective configuration.