Telefonica

Telefonica first worked with AWS and Ericsson, and then swapped to Nokia and AWS, Rao said. 'The days of trial are over

Sepi, Spain's investment vehicle, will buy as much as 10 per cent of Telefonica's shares - a stake that may total more than €2 billion - in an effort to provide "greater shareholder stability"

Wipro had recently announced a five-year strategic partnership with Telefnica Germany/O2 for a Radical IT Transformation (RAITT) programme

IBM will offer telecom operators Verizon and Telefonica new services ranging from running 5G over a cloud platform to using artificial intelligence

Both companies compete in Mexico with America Movil, the company controlled by billionaire Carlos Slim, which has long dominated the telephone market in Latin America's no. 2 economy

Sale comes after the European Commission in May shot down Telefonica's blockbuster sale of British telecom giant O2 to Hutchison