From Forum Nokia Wiki

Wireless Application Protocol (WAP) is an open standard to access Internet services from mobile devices.

WAP was developed as an industry-wide specification for developing applications that operate over wireless communication networks. WAP defines a set of protocols in transport, session, and application layers.

Version 1 of the standard apears in 1999 and supports:

• WML Language for content presentation
• WMLScript for content scripting in content
• WBMP for graphics
• Stack of Protocols different to TCP/IP

All Nokia devices from Series 40, S60 and Series 80 supports WAP 1.0 specification.

Beginning in 2004, WAP 2.0 specification add supports for newer devices and content with:

• XHTML MP support for content presentation
• CSS MP in some devices for styles
• Color images in many formats
• TCP/IP Protocols used, as TCP and HTTP.

WAP 2.0 is included from Series 40 2nd. Edition and S60 2nd. Edition.

WAP Push

This technology allows a user to receive one or more SMS to go to a WAP site or download any content by WAP, as a ringtone, wallpaper or a Java ME application. It is an XML sended as a binary SMS with the URL to browse. The device opens the browser when the SMS is received.

WAP Architecture

Note : The existence of suitable bearer, such as GSM, SMS, or GPRS, and appropriate APIs are assumed,as bearer layer is not specified as part of the standard.

Other Related Links

The Wireless Application Protocol

WAP Stack