Rebtel expands the VoIP calling assault with iPad app

Rebtel, which calls itself the biggest mobile VoIP company after Skype, is expanding its emphasis on mobile with the launch of its first iPad app. The company is looking to ride the growth of tablets and get even more people on to its cost calling service.

VoiP market growing as Rebtel crosses 15M users

Mobile VoIP provider Rebtel crossed key milestones on Friday, indicating that the VoIP market is growing. Rebtel, which offers low-cost and free calls over 3G and Wi-Fi, cracked the 15 million user mark and claims its average revenue per user is three times greater than Skype’s.

The carriers’ voice gravy train is over

Voice is in the process of transitioning from providing the bulk of phone companies’ profits to becoming just another part of a data service that can be provided by web players, explained execs from voice-focused startups at GigaOM’s Mobilize conference in San Francisco on Monday.

GigaOM Euro 20: Almost Famous

In the third part of GigaOM’s Euro 20 roundup, we’ll look at five of the startups we’ve dubbed Almost Famous. They’ve weathered the storm, come out the other side, and have solid products to offer.

Who’s the Audience for VoIP & Video Calls: Women or Vain Men?

Men, not the women they often say talk more than them, are the more likely users of international VoIP and video call services. With Americans spending $24 billion for international calls, alternative service providers should increase women’s awareness of such services to build their user base.

Mobilize 2010: The Next Big Idea

New mobile services and devices are affecting the way users interact with each other and how business gets done. Today at Mobilize 2010, executives from Rebtel, iPass, Skyhook and Motricity shared their views for how new mobile Internet capabilities are changing the world.