Panasonic KX-TA824 Hybrid Phone System + KX-TA82483 3x8 Expansion Card - 1 Year Warranty Advanced Hybrid Telephone System The KX-TA82483 expands the system to support an additional 3 incoming phone lines and 8 telephone extensions. The phone system comes with Software, Manuals and 1 Year Manufacturer Warranty Brand New, In Stock and Fast Shipping