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Next time you think of making a cell phone call, think if it travels over WiFi. Now read this.
Next time you think of making a cell phone call, think if it travels over WiFi. Now read this.
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Wi-Fi essentially extends the reach of VOIP functionality. Handhelds enabled with Wi-Fi run for far less time on a single battery charge than traditional cell phones. Nonetheless, mobile Wi-Fi calls basically cost nothing because they run across existing, expensed computer networks.