Sold a phone system

i got a phone system from a friends job. it has voice mail storage and 4 towers with various cards in it. I got it home and ebayed the part numbers and were surprised at what stuff was listed at. I wrote down all the part numbers and found a company that buys the equipment. I am selling it all for $1500 to them. i could part it out on ebay and get more but i would rather just dump it whole as i know nothing about it. i could not believe it. this was only my second somewhat big pick up. just thought i would share.