The Electronics Corporation of Israel (ECI) was founded in 1961. It specialized in telephone transmission products that manipulated the signals carried on telephone lines. The Electronics Corporation of Israel became ECI Telecom in 1981, and had its first trading on NASDAQ in 1982. Since that time, ECI has undergone a number of mergers and acquisitions. An acquisition in 2007 by the Swarth Group and the Ashmore Group, private equity firms, making ECI a private company once again.
In November 2019, Ribbon Communications announced agreed to acquire ECI Telecom, through a merger, for $486 million.
ECI serves carriers and service providers in various sectors: cable/multiple system operators, wireless/cellular service providers, utilities, carrier of carriers, data centers, government and defense entities. It markets multi-play services, business services, voice services, cellular backhaul, utelco and network security.