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eSafety Compendium

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VMS (Variable Message Signs):Roadside message displays used for traffic control and informationVoIP:Voice-over-IP Protocols used to carry voice signals over the IP network are commonlyreferred to as Voice over IP or VoIP protocols. They may be viewed as commercialrealisations of the experimental Network Voice Protocol (1973) invented for theARPANETWAP (Wireless Application Protocol):Standard which brings Internet content to mobile phonesWIM (Weigh In Motion):A technology for determining the weight of a commercial vehicle without requiring it tostop on a scale, using AVI to identify the vehicles and other technologies to measure thedynamic tire forces of a moving vehicle and then estimate the corresponding staticweightWLAN (Wireless Local-Area Network):Also referred to as LAWN. A type of local-area network that uses high-frequency radiowaves rather than wires to communicate between nodes.Page 488 of 490

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