Asterisk/Cloud/Click to call

Here's the basic specs, please feel free to ask more. Could lead to long term contract. We are looking at scaling from 25 simultaneous up to 500+, with servers as needed. 1. Dial number provided via AGI– · Handle No Answer – return code · Handle Engaged – return code · Handle Answering machine – return code · Return success code 2. On Answer · Handle optional 3 digit code input for verification. Code to be entered will be displayed on web page, return success or fail code accordingly · Dail 2nd number provided, with error handling as above 3. Record Call ability, settable by · Random, with settable % · Force Record (record now) (AGI 'record var) 4. Whisper Coach (3rd party can talk to one party, unheard by other person)V2.0 5. Must be scalable and be able to span servers 6. Cloud based unless a good reason (Amazon EC2) – hardware needed? 7. Image of EC2 OS build to be provided and owned by company