In Iran, 14 years after the invention of the telegraph in 1857, the first telegraph line between Tehran and Chaman Soltanieh (near Zanjan) was installed and launched, and two years later, it extended to Zanjan, Tabriz and Jolfa and joined the Russian telegraph network.
Telegraph industry developed day to day. In 1869, Iran became a member of the International Telegraph Union, which was later renamed the International Telecommunication Union.
Iranian and British oil companies and the fishing industry, whose privilege was granted to the Soviet Union, had personal telephone lines. Establishing illegal telephone lines by foreign companies caused them to be confronted with Iranian privileges and action. In the year 1928, Kushfshani protested to the illegal organization of the Fisheries Department on the coast of the Caspian Sea, and in accordance with the privilege issued by the Ministry, he was right to cut off the wires which he did.
Establishment and development of public and private telecommunication networks in Iranian market (except for voice and television), maintenance and operation of the Iranian market’s telecommunications network in the context of realization of the goals and plans of the Ministry of Communications and Information Technology and Telecommunication Company of Iran out of Iranian market and finally implementation The duties of the Telecommunication Company of Iran due to Telecommunication industry for marketing in Iran, in cases where the exchange is authorized. This is the main objectives and missions of Iran’s Telecommunication Company.
The company is one of the active sections of the Ministry of Communications and Information Technology, the provision and development of telecommunications and fixed telecommunications services, as well as the development of communication technologies in the most populous province of the country. Due to the increasing need of the costumers out of Iranian market for telecommunication while the small number of telephone networks is developing, the quality improvement of the telecommunication network is at the top of the telecommunications company's plans in Tehran for marketing in Iran.
11 or 12 years after its invention, the phone arrived in Iranian market. Nasser-al-Din Shah, in his memoirs, describes the events of Jomadi in the year 1923, referring to the traveler's visit to Ma'in al-Molk (Iran's ambassador to Ottoman) and used to make calls from Shamsalamar to the Sephardar Garden, and apparently this was the first telephone call which has been connected in Iran and Iranian market.
Telephone services were handled by the Ministry of Flaqat and Commerce and Public Utilities until 1929, but due to the violations of some telephone establishments from that year in Iranian market, the Ministry of Posts and Telegraph had been handed over to the Ministry of Posts and Telegraph with the approval of the Telephone Affairs and Complaints Commissioners and the ministry's name The Ministry of Post and Telegraph and the Telephone was changed.
In 1930, the ministry bought the company's telephone company for the centralization of telecommunications with a loan of 1 million USD from the National Bank. Before the automatic telephone network was launched out of Iranian market, interlocutors were able to eavesdrop and wiretap was eavesdropping to authorities by unscrupulous handsets called the secret phone, in suspicious cases.
In order to facilitate telephone conversations, which were conducted in a magnetic and interactive manner out of Iranian market, on September 21, 1937, an automatic telephone exchange with 6000 numbers was purchased from Siemens Company in Germany and was launched for marketing in Iran (Ekbatan Telephone Center). Telephone Company to provide people with how to work the phone automatically inserts an advertisement in Iranian market by the newspaper, even before the opening of the network, installed a special device for training people in the company.
The situation was long unfavorable and it was often not possible for the applicants to be assigned, so it was decided upon by the municipality to give priority to those who are in urgent need of telephone calls.
Iran's international telephone network was designed to establish a telephone call with the country following the announcement of the government of Iraq in 1936. Wireless telephony was established on July 31, 1948 between Tehran and London.
In 1942 and in the midst of World War II, the Iranian government undertook, in accordance with the political agreement between Iran, Britain and the Soviet Union, to provide all communications and communications facilities, including telephony facilities, with unlimited powers in the field of Allied action.
The Ministry of Post, Telegraph, and Telephone, after the withdrawal of the Allied forces from Iran, purchased the Carrier System (telephone conversations without eavesdropping) and, by changing some of the centers that were militarily established, officially Inaugurated.
The National Assembly passed a bill on the nationalization of the telephone company in December 1952. The company announced its readiness to join the Ministry of Post, Telegraph and Telephone, and in May, 1953, paid the funds of the company's former telephone company.
The program for automating the telephone network of cities in 1955 was completed by purchasing 180 thousand automatic telephone numbers from Germany for working in Iranian market. The auto inter-city and international phone plan was launched in 1970. At the beginning of 1970, the telecommunication network (microwave system), which was important in providing telecommunication services, especially in intercity and international contacts, was used in Iran's telecommunications.
In order to focus telecommunication and communications affairs in Iranian market and establish contacts with other countries of the world, in 1971, Iran Telecommunication Company was founded from the merger of Telephone and Telegraph Company, a state-owned company, which has been under the supervision of the Ministry of Post and Telegraph and Phone works.