Wireless Application Protocol (WAP) is an open standard and application environment for wireless information and telephony services on digital mobile phones specified by WAP Forum. WAP will be applicable to second and third generation mobile phones, pagers, two-way radios, smart phones and communicator. WAP is designed to work with most wireless networks such as CDPD, CDMA IS-95, GSM900/1800/1900, PDC, PHS, TDMA IS136, FLEX, ReFLEX, iDEN, TETRA, DECT, DataTAC, Mobitex and 3G systems, and it can be built on any operating system including PalmOS, EPOC, Windows CE, FLEXOS, OS/9, JavaOS etc.The WAP forum released v1.0 in April 1998, v1.2.1 in July 2000 and v2.0 1st August 2001.
WAP is the platform for media phones and it brings internet content and advanced value added services to mobile users. It has been optimised for mobile environment where users have small size screens on pocket-sized mobile phones and pagers, and navigation around and between screen can be difficult. WAP utilizing binary transmission for greater compression of data, and is optimised for long latency and low to medium bandwidth. WAP also includes options for authentication, encryption and WTA (Wireless Telephony Applications). WAP was designed for intermittent coverage, small screens, low power consumption, wide scalability over bearers and devices and one-handed operation and 3G networks in mind.
You can see and example of a WAP site by typing www.umtsworld.com/wap.wml in your WAP phone or WAP browser. You can download a WAP browser for example from Apache software or type it into Wapalizer at Gelon.
More WAP reading on WAP Forum (now OMA) site or The Wireless FAQ has a great FAQ page
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