We have featured a number of docks for the iPhone here at Geeky Gadgets, the latest one comes with its own retro telephone bluetooth headset that can be used to make and receive calls up to 30 feet away.
WOW.. first of the Brand New series of IPhone Phones.. the Bluetooth Headset, Lets you talk and call wirelessly 30 foot away.. talk on your phone while its charging or even in another room.. will make a great base unit ..
The dock will also charge your iPhone and sync it with your Mac or PC, if you want one they are available for $72 each from Etsy.