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SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
<server_index>
The TCP server index(The range of permitted values is 0 to 3).
The result of operation, 0 is success, other value is failure.
Examples
OK
OK
15.2.13 AT+CIPOPEN Establish connection in multi-socket mode
Description
This command is used to establish a connection with TCP server and UDP server, The sum of
all of connections is 10。
SIM PIN References
YES Vendor
Syntax
AT+ CIPOPEN=? +CIPOPEN: (list of supported <link_num>
<type>s)
OK
ERROR
Read Command Responses
AT+ CIPOPEN? +CIPOPEN: <link_num> [,<type>,<serverIP>,<serverPort>,<index>]
+CIPOPEN: <link_num> [,<type>,<serverIP>,<serverPort>,<index>]
[…]
ERROR
+IP ERROR: <error message>
ERROR
Write Command Responses
AT+ CIPOPEN= OK