SimCom SIM7500 Series

Smart Machine Smart Decision
SIM7500_SIM7600 Series_AT Command Manual_V1.07 2017-12-25
357
Examples
AT+CCHCLOSE=0
OK
+CCHCLOSE: 0,0
15.9.5 AT+CCHSEND Send data to peer
Description
This command
is used to send data to peer. If the first parameter of AT+CCHSET is set to 1,
the +CCHSEND: <session_id>, <err> will be reported after AT+CCHSEND is finished.
SIM PIN References
YES
Vendor
Syntax
Test Command Responses
AT+CCHSEND=? +CCHSEND: (0,1),(1-2048)
OK
Read Command Responses
AT+CCHSEND? +CCHSEND: 0,<unsent_len_0>,1,<unsent_len_1>
OK
Write Command Responses
AT+CCHSEND=<session_i
d>,<len>
>
OK
ERROR
Defined values
<session_id>
The session index to operate. It’s from 0 to 1.
<len>
The length of data to send. Its range is from 1 to 2048.
<unsent_len_0>
The data of channel session 0 cached in DS layer which is waiting to be sent.
<unsent_len_1>
The data of channel session 1 cached in DS layer which is waiting to be sent.
Examples
AT+CCHSEND=0, 125
>GET / HTTP/1.1
Host: www.google.com.hk
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