Exclusive: Telecom Italia, Oi in talks as Brazil signals ease in rules - sources
January 07, 2016 at 15:10 PM EST
SAO PAULO/BRASILIA (Reuters) - Oi SA , Brazil's most indebted phone carrier, has started talks with the controlling shareholder of rival TIM Participações SA over a potential merger, with discussions initially focusing on governance issues, two sources with direct knowledge of the matter said on Thursday.