Caller ID announce DECT 6.0/ call waiting - stores 50 calls Audio Assist - temporarily increases overall volume and enhances sound frequencies that make speech easier to understand Extra-large display for easy viewing DECT 6.0 technology Caller ID/ call waiting - stores 50 calls Caller ID announce Digital answering system Handset speakerphone HD audio Backlit keypad and display Visual ringing indicator Expandable system up to 12 handsets (accessory handset: CRL30102) 50 Name and number phonebook directory Intercom between handset and base unit Conference between an outside line and up to 4 cordless handsets Voicemail waiting indicator English/Spanish/French setup menu Table and wall mountable Up to 14 minutes of digital recording time Message retrieval from handset Talking digits Message time and date stamp Quick access key for voicemail box Last 10 number redial Quiet mode silences the ringers 2.4V 400mAh NiMH ATTCRL32102