Make one with a rotary dial and a bell
and then I'll buy it!
I use a USB handset with Skype on my Mac, and I’ve been looking for something similar to use with my iPhone when I’m in the office. Bluetooth headsets just make me feel silly, so I’ve opted for the distinctly low-tech and unpretentious Desktop Phone from Thumbs Up instead. The Desktop Phone is a simple dock for your iPhone, …
Why did they include a auto-tangling curly cord between handset and base? Shirley a cordless system would have been better. It would also allow the user to move about without dragging the unit off the desk. Oh, and then you could add a keypad so you can make calls or transmit keypad tones.
The addition of a small display could....oh.....wait a minute.....
I have a feeling Make or something similar has already done it, but you could make a cordless version out of the guts of a Bluetooth headset.
You wouldn't actually need the base other than for charging the handset's battery, but you could make that into a charger for the iPhone (cordless induction charging for extra cool-ness).