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, internet, although it has several other businesses, including mobile telephony.[1] Since 2021, TOT PCL become National Telecom Public Company Limited after merger with CAT Telecom.[2]
Early history
The first use of the telephone in Thailand began during the reign of King Rama V in 1881 with a telephone line constructed between Bangkok, and Paknam, in Samut Prakan, a short distance south of Bangkok along the Chao Phraya River. Its purpose was to inform Bangkok of the arrival and departure of ships at Paknam.[3]
The Telephone Organization of Thailand was founded by the Thai government on 24 February 1954.