its not voip, its GSM over IPSEC
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it's not VOIP, it's GSM over IPSEC. It's not the same thing but to the average consumer, it's going to be. So this is a direct competitor to traditional VOIP services. T-Mobile is really doing some interesting things with this hotspot@home service. They are really thinking outside the box. Now if they could just get 3G thats would be awesome.
IPsec (Internet Protocol Security) is a developing standard for security at the network or packet processing layer of network communication.
VOIP: Voice over Internet Protocol
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