With Contact Sync, your caller's info can pop up on your computer screen Keep your caller information and notes from previous calls at your fingertips. You can also make outgoing calls from your PC with a single click. Includes 1 corded and 1 cordless handset, with just 1 jack required. 2 lines are perfect for a small business or home office. With 2 lines, 2 conversations can be held at the same time - 1 on the corded handset and one on the cordless handset. DECT 6.0 digital technology provides enhanced security and interference-free calls. Speakerphones on handset and base let you talk hands-free. Built-in digital answering system holds up to 40 minutes of messages. System expands up to 6 cordless handsets to best suit your needs. Additional cordless handsets are sold separately. Night mode lets you prevent the base or cordless handset from ringing at specified times. Call waiting/caller ID shows you who's calling before you answer. Service required from your local phone company. ENERGY STAR(R) qualified. Panasonic(R) KX-TG9471B DECT 6.0 Digital 2-Line Corded/Cordless Phone System With Digital Answering is one of many Multi-Line Multiple Handset Systems available through Office Depot. Made by Panasonic.