Sony Ericsson T300 Benutzerhandbuch

2

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