Specifications
SIM900 AT Command Manual       
SIM900_AT Command Manual_V1.03  190  12/24/2010 
=<mode> 
ERROR 
Parameter 
<mode>      a numeric parameter which indicates whether to display 
transfer protocol in IP header to received data or not 
0 not display transfer protocol 
1 display transfer protocol, the format is "+IPD, 
<data size>,<TCP/UDP>:<data>" 
Reference 
Note 
z  This command will be effective only in single connection mode 
(+CIPMUX=0) 
z  Only when +CIPHEAD is set to 1, the setting of this command will
work 
8.2.25 AT+CIPUDPMODE UDP Extended Mode 
AT+CIPUDPMODE UDP Extended Mode 
Response 
+ CIPUDPMODE: (0-2),("(0,255).(0,255).(0,255).(0,255)"),(1,65535) 
OK 
Test Command 
AT+CIPUDPMOD
E=? 
Parameters 
See Write Command 
Response 
+CIPUDPMODE: <mode>,[<IP address>,<Port>] 
OK 
Read Command 
AT+CIPUDPMOD
E? 
Parameter 
See Write Command 
Response 
OK 
ERROR 
Write Command 
AT+CIPUDPMOD
E=<mode>,[<IP 
address>,<Port>] 
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 










