Cordless phones used to have a tough time fighting through the electronic wall of noise generated by computers, routers, garage-door openers, cell phones and the like -- even microwave ovens. DECT phones, on the other hand, use a dedicated frequency band that's all its own to cut through the din and deliver interference-free cordless call quality. Prices have dropped, too, so that DECT phones are no more expensive than other types.
In reviews, Panasonic DECT phones like the $55 KX-TG1032S do best. Most are inexpensive and feature packed. Phones from AT&T also score well. The $40 AT&T EL51209 is a good choice for the budget minded, while the $65 AT&T CL84109 includes a corded handset, so if your power goes out, you'll still have a phone that works.
For the whole story, make sure to visit our just updated report on cordless phones.