.If your phone is off, the person calling you will be directed to an answering service where their number is registered by the “Who Called” system. You will receive an SMS notifying you of the numbers of all people who have called you and the time they called once your phone is on again. " You have missed calls from 98XXXXXXXXXX . "
This service is free of charge for all subscribers.
Please remember that it is impossible to activate both services simultaneously.
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This service is by default active for the new subscribers.
Activation
For activation, postpaid subscribers can dial *555*4*5*2#
Deactivation
For deactivation, postpaid subscribers can dial *555*4*5*3#