asterisk program - repost

Hello,we are interested in communicating with variable customers through [login to view URL] we need a program to install in order to call automatically possible customers through Asterisk and if they want to contact us to press a number when they hear our recorded [login to view URL], we only want this program to use a list of numbers and names in excel form,that we will have ready in our computer,call them directly and hear our recorded [login to view URL] provide a phone machine( Cisco model:SPA501G) and Ubuntu and Windows software that we can boot from the same computer. Actually,the only thing that we will do is to load the excel file and the program shows us who is calling in our screen and to continue to calls without asking from us the permission to call the next number in our list if the first number doesn't answer or is [login to view URL] will play the recorded message and will wait to see if the customer presses any button to contact with us.