DESC: 2-line Operation Dect 6.0 Technology Expandable To 10 Handsets Caller Id/Call Waiting 50 Name/Number Caller Id Memory Digital Answering System With Handset Access Base Keypad Base And Handset Speakerphone Mute & Hold Features Intercom Or Call Transfer Between Handsets Headset Compatible Provides Two Separate Lines For Either Private Or Business Use, Answering Multiple Incoming Calls.