WAP
Wireless Application Protocol (WAP) is a standard for application layer network communications in a wireless
communication environment such as TETRA network. The protocol is used to access the mobile web from a radio
through a WAP browser.
Note: This is a selling feature.
WAP Browser
The Openwave Mobile Browser is a WAP-compliant user agent. The WAP browser provides all of the basic services
of a computer-based web browser. Whenever any preemptive display interrupts the browser session, the browser
needs manual reactivating to return. The WAP browser does not support right-to-left languages (as Arabic and
Hebrew); English is used instead. For the content in these languages, the characters are not displayed.
Note: Depending on the radio configuration and the network conditions, the WAP browser may not display
images properly (or may display them with a delay).
WAP Push
WAP push allows WAP content to be pushed to a radio. This push is carried out by sending a specially formatted
(Push Access Protocol) XML document to the Push Proxy Gateway, that in turn forwards the document to the radio.
A WAP push message is an encoded message including a link to a WAP address. On receiving a WAP push, a WAP
enabled radio automatically gives the option to access the WAP content. The implemented WAP push is compliant to
WAP 2.0 standard.
The radio supports WAP 2.0 through a proxy only. Proxy-less connections are not supported.
This is a selling feature.
WAP Push Framework
A push operation in WAP is carried out by allowing a Push Initiator (PI) to transmit push content and delivery
instructions to a Push Proxy Gateway (PPG). The PPG delivers the push content to the radio as per to the delivery
instructions.
The PI is an application running on a web server and communicating with the PPG using the Push Access Protocol
(PAP). The PPG uses the Push Over-The-Air (OTA) Protocol to deliver the push content to the radio.
Figure 10: Push Framework
Push Proxy Gateway Push Initiator
Push Access ProtocolPush Over-the-Air Protocol
WAP Client
WAP Push Service Indication
The service indication (SI) presents a notification and an associated URL with a prompt to enter the URL on the radio
display. The notification is then stored in the WAP box for subsequent presentation.
72 | Services and Features
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