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The largest telecommunications company in Brazil & South America: Oi SA (OIBR-C)

Oi SA (NYSE: OIBR-C, OTCMKTS: OIBRQ, B3: OIBR3, OIBR4) was founded in 1963, formerly known as Brasil Telecom SA, and changed to its current name in February 2012. It is headquartered in Rio de Janeiro, Brazil. A concessionaire of switched fixed telephone services that provides integrated telecommunications services in Brazil. On June 20, 2016, Oi SA and its subsidiaries filed for bankruptcy protection.

OI SA

Oi SA (OIBR-C):

Oi, formerly known as Telemar, is the largest telecommunications company in Brazil and South America in terms of number of users and revenue. Oi’s main subsidiaries include Telemar and Brasil Telecom. As of December 31, 2017, the company had 5.9 million asymmetric digital users; and 39 million mobile users. The company serves residential customers, reservation and prepaid customers, mobile broadband banking, small, medium and large corporate customers.

Oi SA provides fixed-line telephone services, including voice, data communications and pay TV services; local and regional long-distance telecommunications services; domestic and international long-distance services; mobile phones and corporate solutions; installation, maintenance and repair services as well as value-added services and business Data transfer service. Oi SA also provides wholesale interconnection, network usage and transportation services to other telecommunications providers.

In 2013, Oi announced a merger with Portugal Telecom, the largest telecommunications company in Portugal, to strengthen the Brazilian company and simplify its ownership structure. In June 2015, Portugal Telecom was acquired by Altice Group .

On June 20, 2016, Oi filed for bankruptcy protection of US$19 billion (65 billion rupees), which is the largest bankruptcy protection in Brazil’s history.

Oi SA (OIBR-C) brands and subsidiaries:

  • Oi Fixo (fixed telephone service, formerly Telefone Telemar )
  • Oi Móvel (Mobile Communication Service)
  • Oi Velox (ADSL broadband, 3G, formerly Velox )
  • Oi Internet (ISP)
  • 31 (Remote and International Telephone Service)
  • Oi Wi-Fi (Wi-Fi network and hotspot service)
  • Oi TV (DTH Pay TV)
  • Oi Voip (Voice over IP service)
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