The latest funding takes on-line social hang-out Rounds to $5.5m raised in its history, after it was founded three years ago.

Verizon’s corporate venturing unit has led US-based social networking company Rounds’s latest $3m fundraising.

The US-based communications company was joined by Rhodium and Draper Fisher Jurvetson backing the company today.

The company was founded in 2008 and it has raised $5.5m in its history.

The funding would be used to extend Rounds beyond its present Facebook-based application to other social networks and mobile devices.

Rounds allows users to meet friends on-line sharing activities such as video chats, real-time games,…