how to connect to GPRS via AT commands????

hi friend,.

i hav tried with these command sets… i also got NO CARRIER as output

AT

Return: OK

2.AT+CPIN?

Return:

+CPIN

REDDY

2.AT+CGDCONT=1,“IP”,“airtelgprs.com”,“0.0.0.0”,0,0

Return: OK

3.AT#USERID=“Easy GPRS”

Return: OK

4.AT#PASSWD=“*****”

Return: OK

5.AT#PKTSZ=300

Return: OK

6.AT#DSTO=50

Return: OK

7.AT#SKTTO=90

Return: OK

8.AT#SKTCT=600

Return: OK

9.AT#SKTSAV

10…AT#GPRS=1

return:

+IP:127.5.123.231

OK

AT#SKTD=0,80,“www.google.com”,0,0

Return:

CONNECT

After that when i typed GET / HTTP/1.1 ,it shows NO CARRIER after 30 sec.

Is thr any solution