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P800/P802
White Paper, January 2003
49
An MMS message can contain one or more of the following:
Text
Much larger amounts of text can be used in MMS messages when compared with SMS.
Thousands of characters can be included in a message.
Audio
MMS provides the ability to send and receive recorded audio and polyphonic sounds in
messages. Not only can users share a favourite song or ring signal with a friend, they can also
use the mobile phone to record sound and send it along with a message. Because sound
includes speech as well as music, this extra dimension of an MMS message makes for enhanced
immediacy of expression and communication. Rather than sending a downloaded birthday jingle
in EMS, for example, a user can send a clip of his or her own personal rendition of “Happy
Birthday”.
Pictures
With the built-in CommuniCam, users can take a snapshot and immediately send it using the
‘Send As MMS’ facility. The ability to send pictures is one of the most exciting attributes of MMS,
as it allows users to share meaningful moments with friends, family and colleagues.
Mobile picture transmission also offers inestimable utility in business applications, from sending
on-site pictures of a construction project to capturing and storing an interesting design concept for
later review. The ability to put text and pictures in a message allows users to create their own
electronic postcards, an application that is expected to substantially cut into the traditional
postcard-sending market.
The P800 supports the following image formats for MMS: GIF (including animated), JPEG, PNG,
WBMP and BMP. Images may also be edited during message creation.
Video
The P800 can play MPEG4 video clips attached to MMS messages. They are opened as an
attachment and played in the Video Player. Note that the MMS message is closed and control is
transferred to the Video Player.
PIM Objects
With MMS in the P800, it is easy to send and receive business cards (vCard), Calendar and
Tasks entries (vCal) and Jotter notes (text content is added to a slide). Received PIM objects are
listed under the ‘Attachments’ tab.
SMIL presentations
SMIL stands for Synchronized Multimedia Integration Language and is pronounced “smile”. SMIL
in the P800 allows the user to the create and transmit multiple-slide style presentations on the
mobile device. SMIL is an advanced XML-based protocol, and Sony Ericsson MMS supports a
subset of this protocol. Using a simple media editor, users can incorporate audio and animated
GIFs along with still images, animations and text to assemble full multimedia presentations. The
idea of SMIL is to allow the user to customize the page timing in slide presentations. The user
can decide in which order the image and text will be displayed, as well as for how long the
images and text lines are to be shown in the display. The user never sees the underlying SMIL
code and does not need to understand it.
The P800 has an implementation of SMIL 2.0 Basic Profile. Messages created by the P800 use a
subset of SMIL as defined in the Conformance Specification (see below).