(AP (Wireless Application Protocol) is a wireless protocol and a global network communication protocol. WAP makes the mobile Internet have a common standard. Its solution is to introduce rich information and advanced services of the Internet to wireless terminals such as mobile phones. WAP defines a universal platform, which converts HTML language information on the Internet into information described in WML (Wireless Markup Language) and displays it on the mobile phone display screen. The existing mobile communication network protocols are not required to make any changes, so it can be widely used for GSM, CDMA, TDMA, 3G and other networks.
Wap Complete Tutorial.pdf)