Specifications

SIM900 AT Commands Set
SIM900_ATC_V1.01 187 23.06.2010
z This command will be effective only in single connection mode
(+CIPMUX=0)
z Only when +CIPHEAD set to 1,the setting of this command would
work
8.2.25 AT+CIPUDPMODE UDP Extended Mode
AT+CIPUDPMODE UDP Extended Mode
Test command
AT+CIPUDPMOD
E=?
Response
+ CIPUDPMODE: (0-2),("(0,255).(0,255).(0,255).(0,255)"),(1,65535)
OK
Parameter
See write command
Read command
AT+CIPUDPMOD
E?
Response
+CIPUDPMODE: <mode>,[<IP address>,<Port>]
OK
Parameter
See write command
Write command
AT+CIPUDPMOD
E=<mode>,[<IP
address>,<Port>]
Response
OK
ERROR
Parameter
<mode> 0 UDP Normal Mode
1 UDP Extended Mode
2 Set UDP address to be sent
<IP address> a string parameter(string should be included in quotation
marks) which indicates remote IP address
<port> remote port
Reference Note
This Command is used to set UDP extended mode, if single IP connection
(+CIPMUX=0)