VoIP Meets Wi-Fi: Internet Phone Calls Go Wireless

VoIP Meets Wi-Fi: Internet Phone Calls Go Wireless: "In order for a conversation to sound natural, voice signals must travel without noticeable delay between the conversants. In packet networks, however, there's no guarantee that packets containing voice data will arrive in a timely manner or even at all. Wi-Fi, being wireless and inherently less reliable than wired LANs, makes timely delivery and high voice quality even less likely. Consumer Wi-Fi, often operating under less-than-optimum conditions, makes the situation even worse."