Yeap, because in the short time you decide to switch your phone off, all your friends, family and that “special” someone will decide to call you at that exact time- Every.Time. Hence, missed call alert service has been activated by default and it is free. স্কিটো অ্যাপের "promo deals" থেকে সার্ভিসটি নিতে পারবে।
It’s totally free (so relax) and you can deactivate it anytime by calling 121