At+Cipsend Send Data Through Tcp Or Udp Connection - SimCom SIM7000 Series At Command Manual

8.2.3

AT+CIPSEND Send Data Through TCP or UDP Connection

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