"There are already several companies using the name iPhone for Voice Over Internet Protocol (VOIP) products, " said Apple spokesman Alan Hely.

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Market demand is expected to increase at the end of this year and into next year due to the introduction of phones using the new WAP (Wireless Application Protocol), which allows Internet content to be tailored for display on mobile telephones, pagers and other wireless devices, as well as of devices which incorporate EPOC, the operating system for wireless devices from the Symbian joint venture.

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But there are many options for placing voice calls over the Internet (Skype, Google Voice, Vonage and more) using voice over Internet protocol (VOIP) technology.

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By using an internet protocol called UDP, it was able to aggressively send these scans without requiring an answer from the potential victim.

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