Sony's SPP-S2720 high power digital 2.4GHz cordless telephone delivers superior range and sound quality, providing 10 to 100 times the output of some 900MHz systems. Additional features include caller ID with call waiting, Center Jog Dial with a 50 number dialing directory, a walkie-talkie function, which can be used independently of the base up to 600 feet, and an EZ access button, which offers one touch access to any set of numbers up to 32 digits long.