MC55_ATC_V04.00 Page 41 of 475 3/17/06
Confidential / Released
 
Any AT command (incl. 
outgoing SMS, voice or 
data call)
Not possible (UART dis-
abled)
Temporary  Temporary 
Incoming SMS (AT+CNMI 
is set to 0,0 (this is the 
default setting)
No effect  No effect  No effect 
Incoming SMS (AT+CNMI 
is set to 1,1)
Quit  Quit  Temporary 
GPRS data transfer Not possible (UART dis-
abled) 
Temporary Temporary
RTC alarm line  Quit  Quit  Temporary 
AT+CFUN=1  Not possible (UART dis-
abled)
Quit  Quit 
Event Selected mode:
<fun>=0
Selected mode:
<fun>=5 or 6
Selected mode:
<fun>=7 or 8 or 9