FIELD: computer engineering. SUBSTANCE: device has server for control of calling party and plurality of servers for information servicing. Said server for control of calling party has set of ports and additional hardware and software including application for call control in order to control plurality of simultaneous calls, including additional acknowledgment of call depending on servicing on basis of provider of called user or calling user, allocation and establishing communication for call to corresponding ON-LINE information processing services by ON-LINE information servers. ON-LINE information servers are equipped with corresponding hardware and software, including application for control of ON-LINE information processing services and set of applications for ON-LINE information processing services. Each environment which provides ON-LINE information processing services has optimized application, which shares main system services in order to provide end user's computer which is equipped with optimized application, which uses end user's service applications, to access ON-LINE information processing services provided by software of ON-LINE information processing services. EFFECT: increased functional capabilities. 12 cl, 18 dwg
