Oi, the Brazilian carrier formerly known as Telemar, deployed Ditech Networks’ Voice Quality Assurance (VQA) platform to ensure voice quality for users of its mobile phone network during the recent 2007 Pan American Games in Rio De Janeiro, Brazil.
Oi (“Hello” in Portuguese) provides mobile phone service to over 13.4 million customers throughout 16 states.
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- Telemar adopted the “Oi” brand in March 2007.