I am fed up of those unwanted calls from airtel. these are all promotional calls and wnat me to subscribe this and that. And there are daily sms messages also those want tme to subscribe and if I reply then they are charge a lot. And they come at times when I am busy. There are now so many messages from Amitabh, Shilpa, Bacchan, Sonu Nigam and more.. all promotional call of no use ... a friend suggested me to send start DND to 1909 but it answers.. invalid key or something. I am thinking for MNP if they do not stop these calls...
Advert.