Data Sheet

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 221 2015-08-03
8.2 Detailed Descriptions of Commands
8.2.1 AT+CIPMUX Start Up Multi-IP Connection
AT+CIPMUX Start Up Multi-IP Connection
Response
+CIPMUX: (0,1)
OK
Test Command
AT+CIPMUX=?
Parameters
See Write Command
Response
+CIPMUX: <n>
OK
Read Command
AT+CIPMUX?
Parameters
See Write Command
Response
OK
Write Command
AT+CIPMUX=<
n>
Parameters
<n> 0 Single IP connection
1 Multi IP connection
Parameter Saving
Mode
NO_SAVE
Max Response
Time
-
Reference Note
 Only in IP initial state, AT+CIPMUX=1 is effective;
 Only when multi IP connection and GPRS application are both shut
down, AT+CIPMUX=0 is effective.
8.2.2 AT+CIPSTART Start Up TCP or UDP Connection
AT+CIPSTART Start Up TCP or UDP Connection
Test Command
AT+CIPSTART=
?
Response
1) If AT+CIPMUX=0
+CIPSTART: (list of supported <mode>),(<IP address>),(<port>)
+CIPSTART: (list of supported <mode>),(<domain name>),(<port>)
OK
2) If AT+CIPMUX=1
+CIPSTART: (list of supported <n>),(list of supported <mode>),(<IP
address>),(<port>)
+CIPSTART: (list of supported <n>),(list of supported <mode>),(<domain