Developing Telecoms Newsletter Sign Up Keep up-to-date with the latest telecoms news in emerging markets globally. Subscribe to Developing Telecoms' FREE weekly newsletter. Afghanistan Bosnia and Herzegowina Cook Islands Samoa South Sudan, Republic of Sweden Uruguay Business/Industry/Finance User * Your personal data will not be shared with third parties. Click here to view our privacy policy. 190 Brazilian Internet Service Provider (ISP) Desktop Sigmanet is planning to stage an initial public offering (IPO). Founded in 1997, Desktop operates more than 14,000 km of its fibre optic networks, with more than 264,000 active users, in 37 cities in the interior of the State of São Paulo.