GE Cordless 5.8 GHz Digital 28001EE1 Accessory Handset for 28021, 28031 and 28041 Series Expandable Phone Systems Accessory handset for GE 28021, 28031 and 28041 series expandable phone systems Call-Waiting Caller ID with 40 name and number memory Handset speakerphone provides convenient hands-free communication Melody ringtones and VIP ringtones Intercom and conference functions