A typical SAT/USAT session, running on AT interface, starts when the
user receives the #STN: 37 URC. The unsolicited result code must
be previously enabled by the #STIA command. The #STN: 37 notifies
the user that the main menu of the SIM/USIM Application has been
sent to TA, and TA has stored the just received menu. Later, at any
time, you can type in the AT#STGI=37 command to display the main
menu of the SIM/USIM Application on TE.
Upon receiving the #STGI response, you must enter the #STSR
command to confirm the execution of the
proactive command
and
provide any required user response. In this case, you must enter
the AT#STSR=37,0,x command to select the x item of the SIM/USIM
Application menu.
The #STN: 237 URC indicates that the main menu of the SIM/USIM
Application has been removed from TA, and it is no longer available.
In this case, AT#STGI=37 command returns ERROR message.
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