SimCom SIM700C

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SIM7000 Series_AT Command Manual_V1.03 125 2018-05-08
8.2.3 AT+CIPSEND Send Data Through TCP or UDP Connection
AT+CIPSEND Send Data Through TCP or UDP Connection
Test Command
AT+CIPSEND=?
Response
1) For single IP connection (+CIPMUX=0)
+CIPSEND: <length>
OK
2) For multi IP connection (+CIPMUX=1)
+CIPSEND: (0-7),<length>
OK
Parameters
See Write Command
Read Command
AT+CIPSEND?
Response
1) For single IP connection (+CIPMUX=0)
+CIPSEND: <size>
OK
2) For multi IP connection (+CIPMUX=1)
+CIPSEND: <n>,<size>
OK
Parameters
<n> A numeric parameter which indicates the connection number
<size> A numeric parameter which indicates the data length sent at a time
Write Command
1) If single IP
connection
(+CIPMUX=0)
AT+CIPSEND=<
length>
2) If multi IP
connection
(+CIPMUX=1)
AT+CIPSEND=<
n>[,<length>]
Response
This Command is used to send changeable length data
If single IP is connected (+CIPMUX=0)
If connection is not established or module is disconnected:
If error is related to ME functionality:
+CME ERROR <err>
If sending is successful:
When +CIPQSEND=0
SEND OK
When +CIPQSEND=1
DATA ACCEPT: <length>
If sending fails:
SEND FAIL
If multi IP connection is established (+CIPMUX=1)
If connection is not established or module is disconnected:
If error is related to ME functionality:
+CME ERROR <err>
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