DIAL A PHONE NUMBER FROM A WEB PAGE VERIFY ON RECIEVING END

*All the website needs to look like is below: --------------------------------------------------------- Choose Phone Number: {DROP DOWN LIST OF PHONE NUMBERS HERE} {CALL BUTTON HERE} 4 digit Verification Code: {TEXT BOX WITH 4 DIGIT RETRIEVED CODE} ----------------------------------------------------------- * After the call button is pressed, the computers modem will automatically dial the phone number selected. Once a connection is made the person using the website will pick up the phone and talk to who they called. --Third party phone dialer software can be used, and is recommended * The person who was called will answer the phone and while talking to the person who just called from the computer, they will enter a digit pin on there phone. This digit pin will be read back into the computer and displayed on the screen or collected into a file or database(whichever is quicker or easier) ***If you can accomplish this task there will be a very large project coming your way after this. This is just a piece of the functionality as a test for competency.*** Please Let me know the following: 1) How plan on accomplishing this...(programming languages, 3rd party software,etc) 2) Price and Timeframe