error 734 ppp link control protocol was terminated airtel gprs modem setting

1. Open control panel. –> Phone and modem options
2. Click on the Modems tab. Then select your phone modem and open properties.
3. Go to Diagnostice — Query Modem
See if you are getting success
4. Click the Advanced Tab
and enter the following in The Extra initiailisation commands text bo
AT+CGDCONT=1,”IP”,”airtelgprs.com”
5. Click ok.
and then try to reconnect,.

You will be able to connect then