Wireless Application Protocol (WAP) is international open standard for applications that use wireless communication. The main objective to build applications that can access the Internet from the phone handheld or Personal Digital Asistant (PDAs). With the WAP users can use cellular to access the Internet and obtain facilities from each mobile phone.
Opening page site, to view information such as the exchange of information or news, weather, e-mail, even to conduct financial transactions. There are several versions of WAP, among others, WAP 2.0 and 1.2.1. WAP 1.2.1 can only be page displays only simple compared with the WAP 2.0 support language XHTML (extensible hypertext markup language) and image.
WAP in a the first time as a communications protocol that move does not depend on the system certain. WAP is designed as part of the system in the future as well as Bluetooth and GPRS. WAP is a communications protocol that consists of moving several layers and can be run on a different network system.
WAP working with almost the same way the Internet works now. Required WAP gateway to bridge the mobile phone with Internet data and send in receive data. This is the same case with PC users (Personal Computer) that require ISPs (Internet Service Provider) as the gateway to bridge the PC with the Internet. Besides, mobile phone, which is also used to be WAP-enabled, namely is equipped with WAP technology that can be used to access the Internet, mobile phones and card-or SIM cards (Subscriber Identity Module) from operator of cellular telecommunications facilities that provide services to General Packet Radio Services (GPRS)