AT Commands Reference Guide
80529ST10815A Rev.2– 2017-09-14
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+CPSMS – Power Saving Mode Setting
For the coding and the value range, see the GPRS Timer 2 IE in 3GPP TS
24.008.
Note: A special form of the command can be given as AT+CPSMS= (with all
parameters omitted). In this form, the parameter
<mode> will be set to 0, the
use of PSM will be disabled and data for all parameters in command +CPSMS
will be removed or, if available, set to the manufacturer specific default values.
AT+CPSMS?
Read command returns the current parameter values in the format:
+CPSMS: <mode>,[<Requested_Periodic-RAU>],[<Requested_GPRS-
READY-timer>],[<Requested_Periodic-TAU>],[<Requested_Active-
Time>]
AT+CPSMS=?
Test command reports the range for the parameters in the format:
+CPSMS: (list of supported <mode>s),(list of supported
<Requested_Periodic-RAU>s),(list of supported <Requested_GPRS-
READY-timer>s),(list of supported <Requested_Periodic-TAU>s),(list of
supported <Requested_Active-Time>s)
Example In E-UTRAN
AT+CPSMS?
+CPSMS: 1,,,"01100001","01100010"
OK
It means that Power Saving Mode is set to enabled and module enters in PSM
after a minute (T3324 = 33) and stay in this mode for two minute (T3412 =
162).
AT+CPSMS=1,,,162,33
OK
AT+CPSMS=0
OK
It means that PSM is set to disable, the module does not go to Power Saving
Mode in any case.
AT+CPSMS=?
+CPSMS: (0-1),(<Units(0-6)><TimerValue(0-31)> in bits),
(<Units(0-2)><TimerValue(0-31)> in bits),
(<Units(0-6)><TimerValue(0-31)> in bits),