It is the business practice of sending all clients' billing info to a separate company, who then does everything for you. It also allows a company to cut down on time and human resources spent on administrative tasks.
Cisco 6945 Business class IP phone model ensures video communication support and expanded possibilities. This device supports up to four lines, has full-duplex loudspeaker communication, supports call holding option on each line and perfectly suits administrational personnel, financial structures, managers etc.