GE Small Business - Conference Call Phone Full-Duplex Conference Phone provides high voice quality for natural sounding simultaneous 2 way conversation. Best accommodates samll to medium sized offices and conference rooms Full standard telephone operation provides high quality for natural sounding simultaneous 2 way conversation. Best accommodates small to medium sized offices and ocnference rooms Three Microphones-high quality microphones provide voice clarity and sensitive 360 degrees audio pickup 7 level speaker volume control and 3 level ringer volume control allows adjustment of speaker and ringer volume to desired level Data Port-for parallel operation of a phone, fax, modem or answerer. 100 Name and numbe directory-allows storage of 100 records with search function