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T68i
White Paper, April 2002
37
SIM application
toolkit
The SIM Application Toolkit (SIM AT) is a smart
card-centric method of deploying programs that
apply only to GSM and to SMS and USSD
transports. Programs must be distributed on
smart cards. WAP is an Internet-centric method
of deploying programs that is independent of
network technology. Programs and content are
kept centrally on web servers and downloaded
as required. While there is some overlap, WAP is
a particularly good choice when deploying
programs that also have an HTML version for
desktop use. Work is currently under way on
building interfaces between the two
technologies.
For an operator, a company or service provider,
SIM AT offers a powerful way to deploy
programs and services to users, without the
need for new or upgraded equipment. All
necessary setup and programming is distributed
to users over the air, directly to their phones. In
the T68i, a separate menu is available for
functions residing on the SIM card. These can
include submenus for controlling functions, and
also functions which allow the phone to initiate
calls, send data, and display information to the
user.
SIMATservicessupportedbytheT68i
Service Mode Support
in T68i
CALL CONTROL Yes
CELL BROADCAST
DOWNLOAD
Yes
DISPLAY TEXT Text of up to 240 characters (120 ucs2 coded). Yes
bit 1: 0 = normal priority Yes
1=highpriority Yes
bit 8: 0 = clear message after a delay Yes
1 = wait for user to clear message Yes
GET INKEY General: The GET_INKEY requires that the user
press Yes to confirm his/her choice
Yes
bit 1: 0 = digits (0-9, *, # and +) only
1 = alphabet set
Yes
Yes
bit 2: 0 = SMS default alphabet
1=UCS2alphabet
Yes
Yes
bit 3: 0 = character sets defined by bit 1 and bit 2 are
enabled
1 = character sets defined by bit 1 and bit 2 are
disabled and the Yes/No response is requested
Yes
Yes