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The typical WAP client is a small, portable device which is connected to a wireless network.
This includes mobile phones, pagers, smart phones, PDAs and other small devices. In these
devices, you have a limited user interface, low memory and computing power compared to
desktop and laptop computers.
The WAP browser in the T39 is compliant with WAP June2000 (WAP 1.2.1) includes WTLS
class 3 and mechanisms for digital signatures. It is designed for WML and cannot read ordinary
HTML pages, but it is suitable for interaction with customer services, e.g. ticket reservation. It
is also handy when you want to access text-based information, such as timetables, share prices
and exchange rates and internet banking and other interactive services.
The built-in WAP browser gives the user portable, fast and secure access to a wide variety of
services, with the possibility of personalized services. WAP in the T39 offers new opportunities
to companies and service providers:
Push service A useful feature for companies and service providers to push contents
or service indications to work groups or customers. This is used for
notifications, mail alerts, messaging, news, stock quotes, contacts,
meeting requests, games etc.
Provide settings Using SMS message, configuration settings can be sent over the air,
OTA, so that the user does not need to configure the WAP access set-
tings manually. WAP settings may also be customized by the operator.
Adapt to phone type When creating a WAP service, you want to make sure that the user
experience is what you intended, regardless of client device type. The
function User Agent Profile is supported by the T39 to allow the con-
tents to be automatically optimized for the phone.
Security Service providers can offer commercial and business critical services
with high security to mobile users, compliant with Wireless Transport
Layer Security (WTLS) class 1, 2 and 3. Digital signatures and Wire-
less Identification Module (WIM) are supported in the T39. The WIM
is used to store security related information.
Several bearer types The T39 accesses WAP over a standard GSM Data connection as well
as over a GPRS connection. SMS is available as bearer type also. (Net-
work-dependent services.)
Bandwidth efficiency One of the key advantages WAP has over text-based HTML pages on
mobile devices, is the bandwidth efficiency for communication. This is
due partly to the fact that the WAP application is communicated to the
wireless devices in the form of binary encoded data. Over a GPRS con-
nection, bandwidth is used even more efficiently. See “Using GPRS In
The T39” on page 11.
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