To get Free Missed Call Alert in Airtel. Follow the steps:
» Go to settings.
» Go to call setting.
» Go to call divert then out of reach.
» Then activate it to another no. Use the below list to get the no. for your state.
Kerala:
*62*+91567#
Mumbai:
*62*+91560#
Rajasthan:
*62*+91569#
Maharastra:
*62*+91675#
TamilNadu:
*62+919894035100#