Telecommunication Company of Iran, or TCI is the Fixed-line incumbent operator in Iran offering services in Fixed telephony, DSL and Data services for both residential and business customers, all throughout the country. It was established in 1971 with a new organizational structure as the main responsible administration for the entire telecommunication affairs.Iran Telecommunication Industries (ITI) was also founded in the same year to manufacture the required equipment for the national long-distance network. TCI has monopoly over Iran's fixed line infrastructure, and it was until 2010, Iran's largest cellular operator (MCI) and Internet service provider and data communication operator (DCI). As of November 2010, MCI accounts for more than 70% of TCI’s profit.TCI has utilized equipment and services such as digital switching centers, optical fiber cables, mobile phones, data networks, satellite services, and telephone special services. TCI manufactures more than 80 percent of the required equipment inside Iran.TCI is exporting technical and engineering services, as well as consulting and contracting services. It is also responsible for censoring most of the internet in Iran, as serves as a bottleneck for the monitoring of all communications.PrivatizationPrivatization Organization has forecast that shares of Telecommunication Company of Iran (TCI) will be floated in the stock market by late September 2007.