Raghuvinder Kataria

VoIP company Vopium raises $16.5 million in bid to challenge Skype

<img src="http://eu.beta.techcrunch.com/wp-content/uploads/vopium.png" class="shot2" /> [Copenhagen] Danish VoIP technology company <a href="http://vopium.com">Vopium</a> has <a href="http://vopium.c