[Smart Call Blocker] - Say goodbye to unwanted calls. Screen and block unknown calls and robocalls on your landline. Store up to 1,000 names and numbers to your block list. You can also blacklist any caller on the spot with the dedicated key on the handset.

[Bluetooth Connect To Cell] - Pair and connect up to 2 cellphones, or 1 cellphone and 1 headset with Bluetooth, and make and received your landline calls as well as your cellular calls with your BL3112-4 telephone. Even if your cellphone is in another room, you can still access Siri, S Voice or Google Now from your cordless handsets.

[Digital Answering System with Voice Guide] - With up to 22 minutes of recording time for incoming messages and memos, the digital answering system grabs calls when you can't. The voice-guided setup feature helps you easily navigate the digital answering system setup options and let you retrieve and listen to messages with ease.

[Download Cellphone Phonebook Contacts] - Download your cellphone contacts to your BL3112-4 telephone via Bluetooth; Enjoy the convenience of having all your contacts in just one BL3112-4.

[Large Backlit Screen, Big Text, Lighted Keypad] - Large 2" backlit display on the cordless handsets with high contrast text for exceptional screen readability; lighted handset keypad allows easy dialing in low-light conditions.

[Intercom & Conference] - Make internal calls to the other handsets with the intercom feature. Transfer outside calls via intercom or 3-way conference with outside calls and 2 handsets.

[Simulated Full Duplex Speakerphone and Visual Ringer] - The built-in full-duplex speakerphones in handset allows both ends to speak - and be heard - at the same time. Designed with a visual ringer to signal incoming calls, perfect for those with hearing impairments or who prefer a muted ringer.

[Access Contacts & Logs for Quick Calls] - Save up to 1,000 names and numbers to the directory; Save up to 50 incoming call numbers; Caller ID automatically share contacts between handsets; Store last 10 called numbers.

[Expandable to 5 handsets] - Easily add accessory handsets (BL3112-0) up to 5 in total, with just one phone jack.