DESC: Know who's calling with caller ID/call waiting. Handset displays the name, number, time and date of incoming calls. The entire keypad illuminates along with the LCD screen, allowing for easier viewing in dim light. Frequency: DECT 6.0. Number of Lines: Single-Line. Multiple Handsets Included: No. Built-In Caller ID: Yes. Expandable: No. Speakerphone: No. Built-In Answering System: No. Number of Handsets Included: 1.