Missed Call (or Flash or Beep)
Your users make a cost-free Missed Call to your phone number. We automatically Call or SMS Text them back with the information you specified.
Don’t have the phone numbers of your target audience? Advertise that if they make a free Missed Call, they'll be enrolled in your program.
Want to enable people to vote yes/no about a pressing political issue? Publicize that a Free Missed Call to one phone number means a "yes" vote and to another phone number means a "no" vote.