Siemens MC55 AT Wake up the ME from Sleep mode, +CMTI SM,5, AT+CFUN? +CFUN OK AT+CFUN=1, Fun=0

When, for example, an SMS is being received and indicated by an unsolicited result code (URC), the ME wakes up to full operation.

+CMTI: "SM",5	Note that the URC used in this example will appear only, if
	AT+CNMI=1,1 was configured before.
After this, you may want to verify the operating status:
AT+CFUN?
+CFUN: 1	Indicates that ME has entered full functionality mode.

EXAMPLE 3

To stop CYCLIC SLEEP mode and return to full functionality:

AT+CFUN? +CFUN: 5

OK AT+CFUN=1

OK

Remember that this approach is not applicable to the NON-CYCLIC SLEEP mode (since the serial interface is disabled). The NON-CYCLIC SLEEP mode ends with the first wake-up event.

EXAMPLE 4
	To reset and restart the ME:
	AT+CFUN=1,1	or alternatively, AT+CFUN=0,1 or 5,1 or 6,1 or 7,1 or 8,1 or 9,1
	OK
	^SYSSTART	The ^SYSSTART URC confirms that the ME has been rebooted. Note
		that ^SYSSTART appears only if AT+IPR ≠ 0. If the ME is in autobaud
		mode, it is recommended to wait 3 to 5 seconds before entering the first
		AT command. Remember to enter the SIM PIN after restart.

2.8.1Wake up the ME from SLEEP mode

A wake-up event is any event that causes the ME to draw more current. Depending on the selected mode, the wake-up event either switches the SLEEP mode off and takes the ME back to full functionality AT+CFUN=1, or activates the ME temporarily without terminating the selected SLEEP mode.

Definitions of the state transitions described in Table 2.3:

•Quit: ME exits SLEEP mode.

•Temporary: ME becomes active temporarily for the duration of the event and the mode-specific follow-up time after the last character was sent or received on the serial interface.

•No effect: Event is not relevant in the selected SLEEP mode. The ME does not wake up.

Table 2.3: Wake-up events in NON-CYCLIC and CYCLIC SLEEP modes

Event	Selected mode:	Selected mode:	Selected mode:
	<fun>=0	<fun>=5 or 6	<fun>=7 or 8 or 9
Ignition line	No effect	No effect	No effect
/RTS0 or /RTS1 activation	Quit	No effect (RTS is only	Mode 7 and 8: No effect
		used for flow control)	(RTS is only used for flow
			control)
			Mode 9: Temporary
Unsolicited Result Code	Quit	Quit	Temporary
(URC)
Incoming voice or data	Quit	Quit	Temporary
call

MC55_ATC_V04.00	Page 40 of 475	3/17/06
Confidential / Released