Now never miss a call while your phone is switched off
or you are not able to reach.
miss call service gives you alert for a number which tries to call you while you
switched off or you have any network problem:
so follow the steps below to activate miss call alert free for 90 days for airtel users
At First Open your Phone’s Dialer and Dial below USSD Code from your Airtel sim card
for get Free miss call services for 90 days.
*321*881# or *321*885#
After Dial Above USSD Code, you will get a Message :- subscribe MCA Service For 90 Days.
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Also see- How to unblock airtel sim