I am looking to develop an iphone app but want to first create a prototype for the following: A person dials a twilio.com number. The system asks to enter the destination number of another person. The system will attempt to call the other person and will connect the originator and destination call only if the phone is answered by a live person. If the call is busy or goes to vmail, the system will auto dial every x number of minutes. This project will be to develop the prototype scripts. If successful, the developer would then develop the full iphone app.