BUTel
BUTel, also known as Bulgaria Telecom, was the state-owned telecommunications company of Bulgaria. Established in 1970, it held a monopoly over telecommunications services in the country for decades. BUTel was responsible for the development and maintenance of the national telephone network, telegraph services, and later, early forms of data transmission.
The company played a significant role in connecting Bulgaria domestically and internationally. Following the political and
In 2002, after a series of strategic changes and partnerships, BUTel was rebranded as Vivacom (Bulgarian Telecommunications