It may seem like an odd thing to say that a telephone gives you great entertainment and makes you happy, but I can honestly say that the phone which sits proudly in my home office does; it's been with me about fifteen years and I treasure it. Sadly in these days of mobile communication, calls to my home phone are becoming rarer and rarer but every time I'm sitting in there at my desk and I do get a phone call, I delay answering it just to listen to it 'ring'.
This photo may give you a clue as to why I'm so fond of my office phone:

Click here to see and hear him in action!