Add more power and convenience to your everyday calling with an improved, feature-filled home system and two long-range cordless handsets. Dedicated buttons on the sleek, black metallic base unit and handsets block up to 150 unwanted numbers, and advanced Talking Caller ID tells you who's calling in English and Spanish. With a dedicated Call Block button on each handset, it's easy to block telemarketers, robocalls and other bothersome caller numbers. One button registers up to 150 caller numbers even while the phone is ringing or while you're talking or listening. With a dedicated Call Block button on each handset, it's easy to block telemarketers, robocalls and other bothersome caller numbers. One button registers up to 150 caller numbers even while the phone is ringing or while you're talking or listening.