Welcome to the latest form of telemarketing. This idiotic company called "Phone Ninja" is using its own service to market itself.
Here's how this latest invention of the tele-terrorists works -
This system is designed NOT to ring your phone, but to trick it into placing the call directly into your Voice Mail. So then you receive a missed call notification and now you have to deal with their spam voice mail ad - wasting space on your phones memory - and quite likely DATA to get the message to you.