Pradiv
Newbie level 3
Hi all ,
I am trying to establish a TCP communication between SIM300(thro hyperterminal) and my pc. I can able to establish a connection but the modem gets reset after that which makes me impossible to send data . Here is the list of AT commands that i used .
AT+CMGF=1
OK
at+ipr?
+IPR: 9600
OK
at+creg?
+CREG: 0,1
OK
at+csq
+CSQ: 31,0
OK
at+cops?
+COPS: 0,0,"AIRCEL"
OK
AT+CGDCONT=1,"IP","apn"
OK
AT+CSTT="apn","",""
OK
AT+CGATT?
+CGATT: 1
OK
AT+CGACT?
+CGACT: 1,0
OK
AT+CIFSR
49.8.149.240 (AIRCEL LOCAL IP ADDRESS)
AT+CIPSTART="TCP","server ip","server port"
OK
CONNECT OK
RDY
+CFUN: 1
+CPIN: READY
Call Ready
AT+CIPSEND
ERROR
AT+CIFSR
ERROR
Till CONNECT OK everything is fine but after that it fails . Pl help me .
I am trying to establish a TCP communication between SIM300(thro hyperterminal) and my pc. I can able to establish a connection but the modem gets reset after that which makes me impossible to send data . Here is the list of AT commands that i used .
AT+CMGF=1
OK
at+ipr?
+IPR: 9600
OK
at+creg?
+CREG: 0,1
OK
at+csq
+CSQ: 31,0
OK
at+cops?
+COPS: 0,0,"AIRCEL"
OK
AT+CGDCONT=1,"IP","apn"
OK
AT+CSTT="apn","",""
OK
AT+CGATT?
+CGATT: 1
OK
AT+CGACT?
+CGACT: 1,0
OK
AT+CIFSR
49.8.149.240 (AIRCEL LOCAL IP ADDRESS)
AT+CIPSTART="TCP","server ip","server port"
OK
CONNECT OK
RDY
+CFUN: 1
+CPIN: READY
Call Ready
AT+CIPSEND
ERROR
AT+CIFSR
ERROR
Till CONNECT OK everything is fine but after that it fails . Pl help me .
Last edited: