At+Ctzu Automatic Time And Time Zone Update - SimCom SIM7500 Series At Command Manual

Examples
AT+CEREG?
+ CEREG: 0,4
OK
5.17

AT+CTZU Automatic time and time zone update

Description
This command is used to enable and disable automatic time and time zone update via NITZ
SIM PIN References
YES 3GPP TS 27.007
Syntax
Test Command
AT+CTZU=?
Read Command
AT+CTZU?
Write Command
AT+CTZU=< on/off >
Defined values
<on/off>
Integer type value indicating:
0 – Disable automatic time zone update via NITZ (default).
1 – Enable automatic time zone update via NITZ.
NOTE: 1. The value of
2. For automatic time and time zone update is enabled (+CTZU=1):
If time zone is only received from network and it isn't equal to local time zone
(AT+CCLK), time zone is updated automatically, and real time clock is updated based
on local time and the difference between time zone from network and local time zone
(Local time zone must be valid).
If Universal Time and time zone are received from network, both time zone and real
time clock is updated automatically, and real time clock is based on Universal Time and
time zone from network.
SIM7500_SIM7600 Series_AT Command Manual_V1.07
Responses
+CTZU: (list of supported <on/off>s)
OK
Responses
+CTZU: < on/off >
OK
Responses
OK
ERROR
< on/off > is nonvolatile, and factory value is 0.
Smart Machine Smart Decision
104 2017-12-25