Using VoIP, some of the former oversea students in America have developed an internet telephony system called FTS.
People can make free long-distance calls by connecting FTS with a broadband router or modem. They just need to pay for the device not for the service. The device cost comes around US$150 per set.
The students claim that they developed FTS for their relatives and friends to effortlessly keep touch with those living overseas to skirt long distance phone costs.
Via: [THANHNIEN News]
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