Accessory Handset with Caller ID/Call Waiting The TL90073 is an accessory handset for the TL96273 from AT&T. This system comes packed with features like Connect to Cell, virtual multi-line operation, and mobile notifications so you"re always connected at home. The options for at-home communication are nearly endless. With this system, you can make and receive calls from up to two cellular lines, one landline, or all three from any room, without touching your mobile phone. Plus, the handsets beep and display an alert when connected cell phones receive a new text, e-mail, or social media update so you"ll never miss an alert. Easy-to-read backlit display. view larger Make and receive landline and cellular calls. view larger Connect to Cell Caller ID Announce HD Audio Handset speakerphone Key Features Connect to Cell Make and receive calls from your cellular plan while enjoying the comforts of a home phone system. By connecting to your mobile phone with Bluetooth technology, this feature allows you to manage calls using either your cell or home phone, and offers expansion flexibility. Downloadable Phone Book Directory Download up to 6,000 cellular phone book entries to the cordless handsets. Mobile Notifications Know when your Android mobile phone receives a text, e-mail or social media update. Each handset beeps and displays which kind of message was received. You can also receive calendar reminders through the system. Virtual Multi-Line Operation Pair up to two cellular lines and one landline with your cordless system. Then, enjoy the freedom to make and receive calls on all three lines—all at once. Caller ID Announce Screening calls has never been easier. The handset and base announce the name of the caller, so you don"t have to scramble for the handset to see who"s calling. Simulated Full-Duplex Handset and Base Speakerphones Enjoy a speakerphone that can keep up with your calls. Increase participation by allowing both ends to speak—and be heard—at the same time for conversations that are more true to life. What"s in the Box 1 cordless handset, 1 charger, 1 power adapter, 1 battery, Quick Start guide, owner"s manual