why I don't open sub menu and main menu of SIM services?

Jun 25 2015 9:36 PM

I use Nokia E63 phone connect to computer and i use SIM toolkit (or SIM services), i want to get the menu list of SIM services via HyperTerminal of winxp, I typing commands:

AT
OK
AT+STSF=1
ERROR
AT+STGI=0
ERROR
AT+STGR=99
ERROR
AT
OK

why I don't open sub menu and main menu of SIM services and HyperTerminal warning error ?