CNET has taken a look at the SD4500 phone from Motorola, here's a small quote from their full test report: As more consumers now use their mobile number as their primary contact, there's a growing market for products that integrate a cell phone and a cordless landline phone into one system. The Motorola SD4500 advanced digital cordless phone system is one such solution as it allows you to make calls on your cell phone's network using a standard cordless phone. Expandable and customizable, the SD4500 system includes the Motorola SD4505 cell phone dock ($99.99) and a choice of up to six Motorola cordless phones with varying features..



Link: CNET