AT&T EL50003 Accessory Cordless Handset, White | Requires AT&T EL52103, EL52203, EL52253,EL52303, EL52353, EL52403, or EL52503 to Operate Requires a EL52103, EL52203, EL52253,EL52303, EL52353, EL52403,EL52503 to operate , Not suitable for ages under 3 years Enjoy a speakerphone that can keep up with your calls. Increase participation by allowing both ends to speakand be heardat the same time for conversations that are more true to life. Easy-to-read LCD on the cordless handset. High-contrast black text on a white background provides for an easy-to-read screen to view incoming Caller ID or review call history. The lighted keypad also allows for easy dialing in low-light conditions. Enlarged font and extra-large, backlit keys make the keypad easy to use. This feature is especially helpful for those who are visually impaired. Handset displays the name, number, time and date of incoming calls. Voicemail waiting indicator ( Use of Voicemail features requires a subscription from your telephone service provider. )