Sony Ericsson T312 Benutzerhandbuch

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White Paper
 
 
T310/T312
17
January 2003
WAP services
The T310/T312 supports the WAP 1.2.1 browser 
and protocol stack as well as the WAP 2.0 browser.
The T310/T312 has a WAP browser, supporting 
WAP 2.0 (WML 1.3). WAP 2.0 optimizes usage of 
higher bandwidths and packet-based connections 
of wireless networks.
The typical WAP client is a small, portable device 
connected to a wireless network. This includes 
mobile phones, pagers, smart phones, PDAs and 
other small devices. Of course, compared to 
desktop and laptop computers, these devices are 
limited by user interface, low memory and low 
computing power.
The WAP browser in the T310/T312 is compliant 
with WAP 2.0 and includes WTLS class 3 as well as 
mechanisms for digital signatures. It supports WML 
and XHTML. The WAP browser in the T310/T312 is 
also designed to access information such as 
timetables, share prices, exchange rates, Internet 
banking and other interactive services. For more 
details, see “WAP browser technical data” on 
page 59.
Using WAP in the T310/T312
The built-in WAP browser in the T310/T312 gives 
the user portable, fast and secure access to a wide 
variety of services, including personalized services, 
with new opportunities for business, individuals 
and service providers:
Push services
Businesses and service providers can “push” 
content or service indications to work groups and/
or customers. Examples of pushed content would 
be mail alerts, messaging, news, stock quotes, 
contacts, meeting requests, etc.
Support of XHTML
The WAP browser supports the markup languages 
of WAP 2.0 – XHTML Mobile and XHTML Basic. 
These two subsets of the Web standard XHTML are 
supported by all major Web browsers. An XHTML 
page can be viewed in both the WAP browser and 
in any standard Web browser. All of the basic 
XHTML features are supported, including text, 
images, links, check boxes, radio buttons, text 
areas, headings, horizontal rules and lists.
Support for cookies
This version of WAP has support for cookies (client 
based), an application used by Web sites to store 
site-specific information in the browser between 
visits to the site. Cookies give the site owner a 
possibility to see when a person has visited their 
site. They also save the user from having to enter 
the same information (e.g. the password or user ID) 
more than once. Cookies are often used by e-
commerce sites (shopping carts and wish lists).
Sending bookmarks
WAP 2.0 enables the sending of bookmarks via 
infrared as well as via SMS.
Provide settings 
Using SMS messages, configuration settings can 
be sent over the air, OTA, so that the user does not 
need to configure the WAP access settings 
manually. WAP settings may also be customized by 
the operator. For more information, see “WAP 
operator technical data” on page 61.
Adapt to phone type
The User Agent Profile function allows WAP 
content to be automatically optimized for the T310/
T312, ensuring the intended user experience.
Several bearer types
The T310/T312 accesses WAP over a standard 
GSM Data connection as well as over a GPRS 
connection (network-dependent services.)
Bandwidth efficiency
Unlike traditional Internet services, WAP services 
are relayed to wireless devices as binary encoded 
data, maximizing bandwidth efficiency. A GPRS 
connection further increases efficiency.