Israeli startup <a target="_blank" href="http://zulaapp.com">Zula</a>, the team communication app founded by VoIP pioneers Jeff Pulver (Vonage) and Jacob Ner-David (Delta Three), has closed a $3 milli
Microsoft took a big step into enterprise collaboration when it acquired Yammer, and an equally big step into VoIP when it bought Skype. Now it's taking an investment in <a target="_blank" href="http:
Today, whether it be via Skype or Gmail, making phone calls over the web has become part of our daily routine. While the name may not ring any bells for younger generations, Jeff Pulver is one of the