Bigwig US carrier AT&T revealed in a Friday announcement that it is acquiring San-Diego-based prepaid wireless provider Leap Wireless International for $15 per share or approximately $1.2 billion in cash.

Telekom Austria is looking forward to takeovers in Croatia and Serbia. These takeovers could make the Telekom Austria the leading player in Balkans. Telekom Austria's chief executive told to a newspaper that they have the chance to become one of the biggest player in Southeast Europe, declining to rule out a capital increase.

In a Tuesday announcement made via an official blog post, Google revealed that it is bringing back the voice call service, and integrating it with Google Hangouts. The announcement implies that Google has quietly returned the voice calling functionality to Gmail, as well as the company's Google+ social network and the Hangouts Chrome extension.

Google, the world's biggest Internet firm, has confirmed that it has brought voice calling service back to Hangouts.

The company's senior software engineer Alex Wiesen wrote in a blog post that the company brought the service back as customers had badly been missing the ability to make voice calls.