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White Paper T310/T312
10 January 2003
select view, thumbnail or full view, as well as keep
track of the number and size of the pictures stored
in the phone.
The pictures stored in your T310/T312 can be used
for creating your own digital postcards. This is
easily done by adding text to the pictures and
sending them via MMS.
Themes
With themes, the user can change the appearance
of the display, for example the text, the background
colours and the background picture. The phone
comes with a number of pre-defined themes, and it
is possible to download additional themes. The
maximum number of themes is limited only by the
amount of memory.
Image formats
For information on Image formats and downloading
of images, see “Image format technical data” on
page 71 and “Images – downloading to phone” on
page 71.
MMS (Multimedia Messaging Service)
One of the key features in the T310/T312 is the
Multimedia Messaging Service (MMS), expected to
become the preferred messaging method of mobile
terminal users, since there are virtually no limits to
the content of an MMS transmission. An MMS
message from the T310/T312 can contain text,
graphics, animations, images, audio clips and ring
melodies. For more detailed information, see
“Multimedia Messaging Service” on page 55. For
third-part developers’ information, please visit
www.SonyEricsson.com/mobilityworld/ and look
for the MMS Developers’ guidelines.
Defined and specified by 3GPP as a standard for
third generation implementation, MMS completes
the potential of messaging. Sending digital
postcards and PowerPoint-style presentations is
expected to be among the most popular user
applications of MMS. Eagerly awaited by young
users in particular, MMS is projected to fuel the
growth of related market segments by as much as
forty percent.
Using the Wireless Application Protocol (WAP) as
bearer technology and powered by the high-speed
transmission technologies EDGE, GPRS and UMTS
(W-CDMA), Multimedia Messaging allows users to
send and receive messages that look like
PowerPoint-style presentations. The messages
may include any combination of text, graphics,
photographic images, speech and music clips.
MMS will serve as the default mode of messaging
on all terminals, making total content exchange
second nature. From utility to sheer fun, it offers
benefits at every level and to every kind of user.
F
igure 1. An MMS message can contain images,
m
usic, audio and graphics.