STEPS
1. Open Dailer of your phone
2. Simply Dail : *321*881# or*321*885#3.
You will as for confirmation4. Reply with 1 to subscribe MCA Service For 90Days5.
All Done you will be getting SMS for successful activation.
Enjoy Missed call alert for 90 Days :
After that Unsubscribe by dialling(*321*883# at 1 day before the service expire
and repet the same proccess again and again.
