AT&T SB67138 + SB67148 3 Handset Corded Cordless Phone Bundle (4 Line) New DECT 6.0 Technology - Interference Free Communication, Increased Clarity / Enhanced Security, Wider Range / Network Friendly 1.9GHz Corded / Cordless Phone Combo - Dedicated for Cordless Phones by the FCC 4-Line Operation & Expandable Up To 10 Handsets 100 Minute Digital Answering System Bilingual Menu Support (English / Spanish)