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T300/T302
White Paper, August 2002
2
Contents
Purpose of this document ...........................................................................3
Product overview ...................................................................................................4
Key functions and features ..........................................................................4
More in-phone functions .............................................................................6
Multimedia in the T300/T302 .................................................................................8
MMS (Multimedia Messaging Service) ..................................................................9
MMS objects ...............................................................................................9
Benefits ......................................................................................................10
MMS technical features .............................................................................11
EMS (Enhanced Messaging Service) ...................................................................13
EMS — more than just words .....................................................................13
New possibilities with messaging ..............................................................13
WAP services .......................................................................................................16
Using WAP in the T300/T302 ....................................................................16
Bearer type characteristics ........................................................................17
Gateway characteristics ............................................................................17
Security using WAP ...................................................................................17
Configuration of WAP settings ..................................................................18
Push services ............................................................................................19
Mobile Internet .....................................................................................................19
Data connections .......................................................................................19
Mobile positioning ...............................................................................................20
General Packet Radio Services ...........................................................................20
Using GPRS in the T300/T302 ..................................................................21
Modem and AT commands .................................................................................23
GSM data communication .........................................................................23
AT commands support ..............................................................................23
Infrared transceiver ..............................................................................................25
Connection via infrared .............................................................................25
In-phone functions and features ..........................................................................26
Network-dependent features .....................................................................32
SIM application toolkit .........................................................................................33
SIM AT services supported by the T300/T302 ..........................................33
User interaction with SIM AT .....................................................................37
Terminology and abbreviations ...........................................................................39
Related information ..............................................................................................43
Documents ................................................................................................43
Links ..........................................................................................................43
Trademarks and acknowledgements ........................................................43
Technical specifications ......................................................................................44