The perfect phone for your business or home is the vtech corded deskset phone, featuring a digital answering system, and can hold up to 4 lines. This phone comes fully loaded with all your necessary functions, like a full-duplex speakerphone for hands-free convenience, and can additionally support up to 9 phones from the base (phones not included). Enjoy 6-party conference calling to meet all of your business needs. Phone features type: corded expandable: yes, 9 phones (not incl. ) digital answering system: yes base unit phonebook: 100 names caller id: yes* dect 6. 0 technology: yes *requires service(s) provided by your local telephone company.