IPS was founded in year 1989 as a wholesale trade company for reselling professional electronics. At the beginning of the year 1991 IPS decided to start the investment in development of telecommunication systems. Digital subscriber Pair Gain Systems (PCM) for transmitting voice and data over copper twisted pair cable became a trade mark of IPS company. Growth of the company and introduction of new technologies made IPS one of the largest companies for production and development of digital subscriber Pair Gain Systems in this part of Europe.