用域名连接先置cdnscfg.txt

PIC18F6520+SIM300做的透明传输的DTU

AT
OK  
ati   
SIMCOM_Ltd          
SIMCOM_SIM100             
Revision:SIM100_V04.0.7Build02                              

OK  
at+cscs?        
+CSCS: "GSM"            
OK  
at+csi      
ERROR     
at+csq?       
ERROR     
at+csq      
+CSQ: 28,0          

OK  
at+cclk?        
+CCLK: "01/01/01,12:36:41+00"                             
OK  
at+cipshut          
ERROR
at+cipclose
ERROR
at+cipstatus
STATE: IP INITIAL
AT+CDNSORIP?
0

OK
AT+CDNSORIP=1
OK
AT+CIPSTART="TCP","NEWTIMES.SHARELLA.COM","2020"
OK

STATE: IP STATUS

CONNECT FAIL
at+cdnscfg="211.136.17.107"
OK
AT+CIPSTART="TCP","NEWTIMES.SHARELLA.COM","2020"
OK

CONNECT OK