4-Line telephone business system with cord expands up to 16 base stations. Each base station can expand to include one DECT 6.0 Accessory Cordless Handset with four lines (sold separately). System also offers an integrated digital answering device with a 60-minute record time, voice time/day stamp, automated attendant for call routing, and remote mailbox message access and retrieval. Telephone features intercom, digital volume control, Call Waiting/Caller ID, base speakerphone, 99 name/number Caller ID history, 16 programmable one-touch speed dials, 94 record programmable name/number directory, three-party call conferencing, a Do Not Disturb/privacy setting. Auxiliary jack can be used for fax or modem. Trilingual display can be viewed in English, Spanish and French. Hearing aid-compatible telephone system includes headset jack and data port and uses four AAA batteries.