Tech Mahindra has won a $500 million-plus, five-year deal from Telefónica O2—its biggest-ever contract in Europe—bolstering ...

European carrier giant Telefonica, parent company of the UK's O2, has embraced WebRTC technology so its customers just need a browser to make calls. Too bad about Apple's Safari, though. Stephen ...

MADRID – Spanish telecommunications company Telefonica says it is considering selling a minority stake in its British mobile phone operator O2, four months after regulators blocked its takeover.

Telefonica SA (TEF) has agreed to sell its O2 Asia Pacific and Middle East subsidiary to the unit's current management for an undisclosed amount, reports Cinco Dias in its Wednesday Internet edition, ...