SimCom SIM7500 Series At Command Manual page 186

Test Command
AT+CMGP=?
Read Command
AT+CMGP?
Write Command
AT+CMGP=[Tid][,<vpf>,<v
p>[,<ddtf>,<ddt>]]
Defined values
<tid>
Teleservice ID, value maybe 4095,4096,4097,4098,4099,4100,4101,4102
Default 4098
<vpf>
Valid Period Format
0, Absolute
1, Relative
<vp>
Valid Period
"YY/MM/DD,HH/MM/SS" if vpf=0,
Integer not exceed 248 if vpf=1
<ddtf>
Deferred Delivery Time Format
0, Absolute
1, Relative
<ddt>
Deferred Delivery Time
"YY/MM/DD,HH/MM/SS" if ddtf=0,
Integer not exceed 248 if ddtf=1
Examples
AT+CMGP=4098,0,"11/04/22,16:21:00",1,12
OK
SIM7500_SIM7600 Series_AT Command Manual_V1.07
Responses
OK
Responses
+CMGP: <tid>,<vpf>,<vp>,<ddtf>,<ddt>
OK
Responses
OK
Smart Machine Smart Decision
185 2017-12-25