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White Paper Z300
10 October 2005
Internet services
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 Internet browser in the Z300 is compliant with
WAP 1.2.1, including security according to WTLS
class 2. It is designed for WML and cannot read
ordinary HTML pages, but it is suitable for
interaction with services, such as ticket
reservation. It is also handy when you want to
access text-based information, for example
newsreading, timetables, share prices, exchange
rates, Internet banking and other interactive
services.
AMR
AMR uses various modes to improve network
conditions. When the channel is poor, source
coding is reduced and channel coding is increased.
This results in better network quality. With AMR this
improvement is approximately 4-6 dB S/N for
useable communication. This system allows
network operators to prioritize capacity or quality
per base station.
GPRS
GPRS uses Internet-style packet based
technology. It uses the radio link only for the
duration of time that it transfers data. GPRS offers
the user the speed needed for satisfactory mobile
Internet usability. The Z300 supports the GPRS 4+1
(Class 8) standard.
Dual band support
Dual band support means that you can use the
phone on two types of GSM networks; the Z300
can be used on GSM 900 and 1800 networks.
Co-branding
It is possible for a co-brand inlay to be placed in
the area below the keypad. Sony Ericsson offers
high quality print on the co-brand inlay, with good
resistance to external stress.
Settings
Operators can customize many settings in the
phone, such as data communication settings, the
download links in the menu system, and the han
-
dling of long text messages, for example.
Content
Much of the content in the phone can be custom-
ized. For example:
• Start-up display
• Polyphonic ringtones
•Themes
• Wallpapers
• Shut-down display
• MMS template