TOT Public Company Limited is a Thai state-owned telecommunications company. Originally established in 1954 and corporatized in 2002, TOT used to be known as the Telephone Organization of Thailand and TOT Corporation Public Company Limited. TOT's main line of business is fixed line telephony, although it has several other businesses, including mobile telephony. Its current Chairman of the Board of Directors is Col.Suchart Wongananchai.Early historyFirst use of the telephone in Thailand began during the reign of King Rama V in 1881 with a telephone line constructed between the Bangkok, and Paknam, in Samut Prakarn, located a short distance south of Bangkok along the Chao Phraya river for the purpose of informing Bangkok of the news concerning the arrival and departure of ships at Paknam.The Telephone Organization of Thailand was founded by the Thai government in 24 February 1954. A state enterprise under the Ministry of Transport and Communications, it incorporated the Telephone Technician Unit under The Post and Telegraph Department. It originally had 732 staff members and a budget of 50 million Baht. The TOT provided telephone services in Bangkok Metropolis, which included Wat Lieb, Bangrak, Ploenchit and Samsaen Exchanges.TOT was transformed from a state-own enterprise under the control of the Transport and Communication Ministry to a public company named TOT Corporation Public on July 31, 2002.Corporate status change and the aftermath of the 2006 coupUnder the deposed government of Thaksin Shinawatra (2001–2006), the TOT was made into a corporation and plans were under way to privatise a portion of the state enterprise through an IPO in the Stock Exchange of Thailand. These plans were cancelled after the Thaksin-government was overthrown by a coup in 19 September 2006. Soon after the coup, the junta of General Surayud Chulanont announced plans to merge TOT with rival state telecom enterprise CAT Telecom (formerly the Communications Authority of Thailand).