Build a Website with Voip interaction + Iphone and Android App

I need build a website with mobiles app be able to log in trough Facebook user will choose a prerecorded message from a variety of 200 messages in different category user will set a phone number where the software will call back to specific number to record the name (mobile app can use mic from device) also the user will enter the number where the prerecorded message will delivery via VoIP ( phone number ) the user will choose 2 method of delivery the message first method: free the system will delivery the message but will include another prerecorded message (20 second advertisement) from the add folder the system will dial the set number when phone is answer will say you have a message from (play recorder name play advertise and then play message second method : pay similar above but will not play advertise plus the user will get a confirmation of delivery txt , email , Facebook also will record the entire call and save when user log in back to the site they will have a history of call made etc more detail upon request