A few years after we first reviewed Invoxia's NVX610 Desktop Phone, the Parisian developer has returned with what we hope is a stronger phone docking station. Audioffice ($299) starts positively, with a cleaner name and a price that's half that of its predecessor. The basic idea is the same: a docking station that allows high-quality calls to be placed and received, either over a cellular connection or VoIP, using Bluetooth 2.1 to communicate with…