At+cipstart tcp closed connect fail error


#1

AT
OK
AT+CIPSHUT=0
ERROR
AT+CIPSHUT
SHUT OK
AT+CIPMUX=0
OK
AT+CGATT?
+CGATT: 1
OK
AT+CSTT=’ “airtelgprs.com”,"",""
OK
AT+CIICR
OK
AT+CIFSR
100.99.48.151
AT+CIPSTART="TCP ",“192.168.0.156”,“9040”
OK

STATE: TCP CLOSED

CONNECT FAIL

This is what i get no matter how many times i try. I used it with a prepaid sim, i tried with another services and post also. Only once i was succesfull about 2 weeks, I have used same procedure as above and also searched many and couldn’t find any valid solution. hope some of you help me.