TrickGeek

To ensure that you are always connected with your family and friends , Airtel introduces ' Call me Back '  Service in case of low prepaid balance.No talktime to even give a missed call? Airtel new service 'Call-me-Back ' will help you to stay connected. The Call-me-back SMS service will allow a prepaid user to get a
all-back from another airtel number (prepaid or postpaid) in case of insufficient balance. This unique service will ensure that airtel customers are always connected.



Just SMS writing CALL ,  
send to 121(Toll free) , and expect a call from your dear ones. 

For e.g. 'Person A' having balance less than Re.1 can send a toll-free SMS to 121 writing
CALL < Person B airtel number >, and the 'Person B' will get an SMS  from number of  'Person A' saying : "Please call me back. Thank You." This service will ensure that are airtel customers  are never out of touch with their family and friends.

There is no charge to 'Person A' for this service, and the call-back by 'Person B' is as per the person's B plan rate. The customer who is calling back can be a prepaid or a postpaid  user. Also, both the customers can be a local , STD number , or be in national roaming. 

This service can be availed when the balance in customer's prepaid account is below Re1 , and can be used upto 3 times in a day.