It's so easy..no complicated configuration procedures.
It's scalable in terms of conference call participants. As Alex points out, the scalability is due in large part to the fact that hullo is not a P2P application, but one which runs Versatel Networks EdgeIQ series hardware on the backend.
I prefer a headset, but hullo doesn't require one. It works on traditional phones as well.
But here is something interesting I bet you didn't know. When I made a call over hullo, it showed a number of 1-902-221-1054. That's in Halifax, Nova Scotia. And when I did a whois search for hullo.com, it showed the domain is owned by Quebec-based Versatel Networks.
Could it be then, that Versatel has decided to offer this hullo service not as a revenue generator but as a type of product showcase for its EdgeIQ Hardware? Here's a diagram:
If that's the case, I'm wondering about the ROI here. Plainly, that phone number I cited will render Versatel liable for termination fees. Such fees would make more business sense to me if this were a closed-end demonstration for target customers?
And when I write about Versatel's target customers, I don't mean consumers, and I don't mean most of you, unless you are, or work for a service provider.
So how will this service be monetized? I see an eventual subscription model, leveraging expanded conference calling, rules flexibility, portable handoffs and other functionalities.