I really hope someone can help me, i am from a panasonic engineer, but i have a HX 5000 controller i have acquired to play with and learn on. i dont have any configuration software for it. i know its a long shout. I have been on furlough a while and really want to play with this system i have. only 3 handsets. can one of the experts on here help and offer a few tips. its not for resale just for me to expand my brain. thankyou in advance