POP DESK | BY NATIVE UNION

POP Desk is an original retro handset by Native Union, the same guys behind the very popular POP phone.
The cool accessory turns your iPhone into a traditional-looking
telephone handset. Simply hook it into your mobile device through the
headphone jack and your ready to go, it features one button pick-up and
hang-up functionality, noise reduction, and VoIP application support.
You can even slip a charging cable trough the bottom and turn it into a
useful dock!

Available at Native Union, Grand St, or Amazon. In Europe pick it up at amazon.co.uk