VoIP is clearly a technology that is hear to stay, there's no way back and companies are increasingly adopting infrastructures based on it. Not just regular domestic users like you, (no offense) but most of the companies are migrating to this technology, open the door and see.
We, at our datacenters offer SIP-based VoIP origination and termination, for small and medium businesses, we also have a small store where you can buy your own voip hardware and services,
http://store.splitinfinity.com/
Jump in.
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