Oi Telecommunications Logo Posted on July 21, 2012February 15, 2023 By Yucin Txt Oi Telecommunications Logo Oi,  formerly known as Telemar, is the largest telecommunications telephone company in Brazil and the second largest in Latin America, after Mexican América Móvil, considering both lines in service and revenues Advocacia Justica [EPS File] Telstra Logo Pinterest18 Twitter 0 LinkedIn Reddit 0 Email Category : Logo Telecommunication Tags : Brazil> Fixed-line> Internet services> mobile phone> oi.com.br> Pay television> Rio de Janeiro> telecommunications> Telephone Company