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White Paper
Z500a
6 June 2004
MusicDJ™. The built-in sound synthesizer uses
wavetables, real instrument sounds, with 40 voice
polyphony. The new composer has an improved
graphical user interface to simplify melody handling. All
new and edited melodies are stored in MIDI format.
File management
There is a file manager, similar to that which can be
found on many computers. In the file manager the user
has an overview of the contents of the phone as well as
how much memory is allocated to each function and
feature.
GPRS (General Packet Radio Service)
GPRS offers the user the speed needed for satisfactory
mobile Internet usability. The phone supports GPRS
(Class 10 meaning 4+2 sum 5).
WAP 2.0 supporting 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.
In addition to XHTML, the WAP browser supports
WML. The user can navigate between WML and
XHTML pages. WAP 2.0 also supports cookies, often
used by Web sites to store site-specific information in the
browser between visits to the site. Cookies are often used
by e-commerce sites (in shopping carts and wish lists for
example), and to save the user from entering the same
information more than once.
Cascading style sheets (CSS)
Before style sheets were introduced on the Web,
developers had little control over the presentation of their
Web pages. An XHTML document specifies the
structure of the content, which part is a paragraph, which
part is a heading, and so on. It does not specify how it
shall be presented. Browsers use a default presentation
for documents without style sheets. By adding a style
sheet to the document the developer can control the
presentation of the document, the colors, fonts, and
layout.
On the Web, the de facto standard style sheet language is
Cascading Style Sheets (CSS), specified by the W3C and
implemented in IE, Netscape, and Opera. For mobile
phones, the OMA has identified a subset of CSS and
extended it with OMA specific style rules. The CSS
subset and the OMA extensions are called Wireless CSS
(WCSS). The WAP browser supports WCSS 1.1
Instant messaging (Wireless Village)
To ensure interoperability of mobile instant messaging
and presence services, Sony Ericsson, Ericsson,
Motorola and Nokia have created the Wireless Village
Solution, an open standard. The protocol is bearer-
independent and can be implemented in different
networks. The Wireless Village Instant Messaging and
Presence Service (IMPS) includes three primary
features:
Presence
Presence information of other Wireless Village users is
received and displayed to indicate their willingness to
communicate. The user’s own presence information is
also sent for others to view. If the user is interested in
another person’s presence status, he or she can search for
this person. If the person is found, the user may subscribe
to his/her presence information. The presence
information is displayed in a contact list.
Instant messaging
Instant messaging means “point-to-point messaging”
between Wireless Village users. Messages can be sent to
an entire contact list or to a single user. Short message
histories of the communication are filed.
Groups
The user may join a chatroom and chat with the other
participants/members.
Email
With inbox, outbox, save draft and reply options, you
have all the functions you need for effective email
communication in a powerful mobile phone. Constantly
connected to a POP3, SMTP or IMAP4 email server
anywhere on the Internet, your phone stores messages
dynamically, depending on available memory, and
updates your inbox automatically and over the air. Check
your email anywhere. Reply to email on the move.
Friends, family and business contacts know that when
they send you email, you can receive, read and act on it
immediately. You can include pictures in outgoing emails
and receive attachments. Hyperlinks in emails are
supported.