Telekom Srbija a.d. Beograd (Телеком Србија а.д. Београд) is a Serbian state-owned telecommunications operator. It was founded in May 1997 as a joint-stock company, by spinning off the telecommunications business from PTT Srbija (present-day Pošta Srbije). In April 2015, Telekom Srbija started providing all services in Serbia under the mts brand.[4][5][6]
Telekom Srbija, combined with its Moja Supernova brand, is the largest Internet provider with a market share of 53.15%, the second largest cable operator with a market share of 44%, and the largest fixed-line telecommunication network with a market share of 77.5%.[7] It is also the largest mobile operator with a market share of 37.27%.[7]