AT&T 5.8GHz Cordless Expandable Phone/Answering System with 3 Handsets # 3358 speakerphone Extra handsets do not need a phone jack, only electrical, and this system can expand to six handsets total. With so many other great functions, including a complete answering system, this phone system is ideal for any large home or small business. Intercom, 2-way page, and conference calls between the base, cordless handsets, and outside callers; Add up to three more handsets, model 5800 Digital answering system with three voice mailboxes, call screening, remote access of messages, and a call counter Package Includes Base, 3 Wall mounting adapters, 3 Cordless handsets, 3 Belt clips, 2 Charging cradles, 2 Telephone line cords, 3 AC adapters, 3 NiMH Batteries, User's Manuals