BSNL Official Free Miss Call Alerts..!!

Now bsnl subscribers no need pay for their activation for missed call alert even if ur mobile is switched off or out of coverage area its 100% free provided by BSNL to all its users
Dial *62*17010#
or by manually go to..
—->menu—->tools—->settings—->phone —->call divert—->voice calls—->options
—->activate—->to voice mailbox
type the number as ‘+9117010‘ save it.
Now you get miss call alert messages when your mobile is switched or you are out of coverage area.