Auto redial and call timer

Hello, I am looking for simple auto redialling android application like [login to view URL] this one. I want to add some more options. 1. Auto call end time will be random in certain range of time span. Should add option to modify minimum call duration and maximum call duration. 2. Option to add list of phone number minimum 100. Application will dial phone number from list one by one or randomly on the basis of redial option. 3. Option to assign redial time interval after received a call. Some things like that, application dial a phone number and call got received from other end. After end call application will redial same phone again from list after a certain define time. On the same if found busy in this situation may redial immediately or after some times it can be assign manually.