Quickly set up a highly-functional phone system for your small business Expandable phone system includes a corded main console and is expandable up to 10 total stations. DECT 6.0 wireless technology connects additional desksets and handsets (sold separately) with a single touch. Compatible with cordless handsets and cordless headsets. Features a 2.5 mm jack for corded headsets. 1- to 4-line capability provides flexible options for your home or business. All 4 lines feature power failure operation and lighted line indicators. Call waiting/caller ID displays the name and number of incoming calls and remembers up to 50 callers for convenient callback. Call waiting/caller ID service required from your local telephone company. Auto attendant for each line can answer outside calls, provide callers with a company directory and route calls to the appropriate extension. Plays customizable music while callers are on hold. Message Guard memory helps ensure you don't lose important messages in the event of a power