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Wi-Fi telephony, also known as Voice over wireless LAN (VoWLAN), delivers the all the capabilities and functionality of the enterprise telephone system in a mobile handset. The Wi-Fi phone is a WLAN client device, sharing the same wireless network as laptops and PDAs. The handset is functionally equivalent to a wired desk phone, giving end-users all the features they are used to having in wired office phone. The benefits of VoWLAN can result in substantial cost savings over other wireless technologies by leveraging the Wi-Fi infrastructure and by eliminating recurring charges associated with the use of public cellular networks.
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