SimCom SIM7500 Series At Command Manual page 306

This command is used to close TCP or UDP socket.
SIM PIN References
YES Vendor
Syntax
Test Command
AT+CIPCLOSE=?
Read Command
AT+CIPCLOSE?
Write Command
AT+CIPCLOSE=
<link_num>
Defined values
<link_num>
a numeric parameter that identifies a connection. The range of permitted values is 0 to 9.
<linkx_state>
a numeric parameter that identifies state of <link_num>. the range of permitted values is 0 to 1.
0 disconnected
1 connected
<err_info>
A string parameter that displays the cause of occurring error.
Examples
AT+CIPCLOSE?
+CIPCLOSE: 1, 0, 0, 0, 0, 0, 0, 0, 0, 0
SIM7500_SIM7600 Series_AT Command Manual_V1.07
Responses
+CIPCLOSE: (list of supported <link_num>s)
OK
ERROR
Responses
+CIPCLOSE:<link0_state>,<link1_state>,<link2_state>,
<link3_state>,<link4_state>,<link5_state>,<link6_state>,
<link7_state>,<link8_state>,<link9_state>
OK
+CIPCLOSE: <link_num>,<err>
ERROR
ERROR
Responses
OK
+CIPCLOSE: <link_num>,<err>
+CIPCLOSE: <link_num>,<err>
OK
+CIPCLOSE: <link_num>,<err>
ERROR
ERROR
Smart Machine Smart Decision
305 2017-12-25