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August, 2002
T300/T302
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T300/T302 White Paper, August 2002 Contents Purpose of this document ...........................................................................3 Product overview ...................................................................................................4 Key functions and features ..........................................................................4 More in-phone functions .............................................................................6 Multimedia in the T300/T302 ..
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T300/T302 White Paper, August 2002 Preface Purpose of this document The Sony Ericsson T300/T302 White Paper is designed to give the reader a deeper technical understanding of how the T300/T302 is designed, and of how it interacts with other media. This document will make it easier to integrate the T300/T302 with the IT and communications solu- tions of a company or organization. People who can benefit from this document include: • Corporate buyers • IT Professionals • Software developers •
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T300/T302 White Paper, August 2002 T300/T302 users can share ring signals, and Product overview download them from the Web. Early Ericsson mobile phones supported a proprietory non-polyphonic format called eMelody. Due to the musical limitations of The T300/T302 is Sony Ericsson´s rough eMelody, and as it became popular to create, diamond - calm, plain and simple in appearance send and download ring melodies, Ericsson and but absolutely bursting with fun features for Sony Ericsson, toge
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T300/T302 White Paper, August 2002 The downloadable games can fully take In addition to XHTML, the WAP browser supports advantage of the phone´s interfaces, such as WML. The user can navigate between WML and TCP/IP, SMS, vibrator and backlights. The virtual XHTML pages. machine executes the downloading of games for the optimal game experience. The user can WAP 2.0 in the T300/T302 also supports cookies, download an unlimited number of games as long often used by Web sites to store site-speci
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T300/T302 White Paper, August 2002 Memory management More in-phone functions All applications in the T300/T302 share the same E-mail memory, allowing for efficient memory usage. The T300/T302 is one of the first mobile phones When the memory runs low, the user gets on the market with a built-in fully functional e- information about the current memory situation, mail client. With inbox, outbox, save draft and where each application’s usage is displayed. In reply options, you have all the f
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T300/T302 White Paper, August 2002 Sound browser From the Sound browser function, the user can handle all sounds (for example MIDI, eMelodies, iMelodies and sound recordings) stored in the phone. The user can play, send and view information on the sounds. Ring signals (MIDI, eMelody, iMelody, vMel) can be downloaded via WAP or exchanged via SMS (iMelodies), infrared and MMS (MIDI, iMelodies). Sound recordings can be exchanged via infrared and MMS. The maximum number of sounds is limited
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T300/T302 White Paper, August 2002 Themes Multimedia in the With themes, the user can change the appearance of the display, for example the text, T300/T302 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. The T300/T302 is a multimedia phone. The colour display together with the audio Image formats functionality giv
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T300/T302 White Paper, August 2002 MMS (Multimedia Messaging Service) One of the key features in the T300/T302 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 T300/T302 can contain text, graphics, animations, images, audio clips Figure 1. An MMS message can contain images, and ring melodies. For more detailed informati
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T300/T302 White Paper, August 2002 Audio PIM communication with MMS MMS provides the ability to send and receive full With MMS in the T300/T302, it is easy to send sound (iMelody, MIDI and AMR) messages. Not and receive business cards and events. only can users share a favourite song ot ring signal with a friend, they can also use the mobile Business card (vCard) phone to record sound and send it along with a With MMS in the T300/T302, the user can send message. Because sound includes speech
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T300/T302 White Paper, August 2002 The MMS server, through which MMS messages MMS technical features are sent, supports flexible addressing (to both The MMS standard, just like SMS, offers store- normal phone numbers (MSISDN) and e-mail and-forward transmission (instant delivery) of accounts), which makes user interface more messages, rather than a mailbox-type model. friendly and allows greater control for operators. MMS is a person-to-person communications The MMS server, moreover, is
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T300/T302 White Paper, August 2002 Figure 3. The architecture of MMS Message conversion The MMS-C is able to perform limited message conversion - for example, from MMS to SMS - so that processing and air time is not wasted in sending messages to mobile terminals that do not have adequate capability to receive them. It also handles service aspects such as store and forward, guaranteed delivery, subscriber preferences, operator constraints, and billing information. The MMS-C also vouches f
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T300/T302 White Paper, August 2002 Concatenated messages EMS (Enhanced A part of the EMS standard is the support for concatenated messages, which means that the Messaging phone is able to automatically combine several messages both when creating and receiving Service) EMS. This is useful to be able to build,and display,messages with rich content,since the amount of information in each SMS is limited by the SMS standards. Enhanced Messaging Service (EMS) adds new powerful functionality
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T300/T302 White Paper, August 2002 Voice and e-mail notifications Compatible with SMS standards Notifying mobile phone users that they have new Users will find EMS as easy to use as SMS. At voice or fax mail messages waiting - including the moment 15 billion SMS messages, are sent icons or melodies with EMS. every month worldwide. Roughly 80% of this traffic is user-to-user, i.e. mobile phone users Unified messaging sending short messages to each other using the keypad of the phone to ent
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T300/T302 White Paper, August 2002 Using Web, WAP And SMS for download in the future to support access via PC over the Internet, from the phone using WAP and even Already today services exist on the Internet where with an SMS request interface. users can create melodies, and view icons and pictures, subscribe to entertainment and informations services. These may develop further The diagram shows a model over the possibilities with Enhanced Messaging Service: - When the Operator/Service pr
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T300/T302 White Paper, August 2002 Support for cookies WAP services 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 The T300/T302 has a WAP browser, supporting owner a possibility to see when a person has WAP 2.0 (WML 1.3). WAP 2.0 optimizes usage of visited their site. They also save the user from higher bandwidths and packet-based having to en
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T300/T302 White Paper, August 2002 Maintain customer base • When transmitting large amounts of data, bandwidth can be increased automatically Existing services can be adapted to WAP. The to allow faster transmission speed. necessary binary encoding is handled by a WAP • Ideal for complex pull services, browsing, Gateway, allowing HTML-based services to be data transfer, provisioning, pager services, viewed on the WAP browser of the T300/T302. An messaging services, info services, push in
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T300/T302 White Paper, August 2002 Server authentication requires a server certificate In the T300/T302, the user can check which stored at the server side and a trusted certificate transactions have been made with the phone stored at the client side. when browsing. Each time the user confirms a transaction with a signature lock code, a Client authentication requires a client certificate contract is stored in the phone. The contract stored at the client side and a trusted certificate contai
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T300/T302 White Paper, August 2002 Push services Mobile Internet Examples of WAP services that can be pushed include: • Notification of new e-mail, voice mail, etc. The mobile Internet offers much more than • News, sports results, weather forecasts, mobile access to the Internet. It opens up a whole financial information (stock quotes etc.). new range of situation-based services that give • Personal Information Manager (PIM) - the user access to personalized communications, delivery of co
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T300/T302 White Paper, August 2002 Mobile positioning General Packet Radio Services The geographic location of mobile subscribers can be used to provide them with related information and a variety of services. Sony The introduction of GPRS (General Packet Radio Ericsson’s Mobile Positioning System (MPS) Services) is one of the key steps in the evolution gives operators a fast and cost-effective way to of today’s GSM networks for enhancing the establish and roll out location-based servic
