Avaya 8401D Digital Conference Telephone
The 8400-Series voice terminals work in both 4-wire and 2-wire DCP configurations and have programmable voice and touch-tone transmission parameters.
Polycom Soundstation 2 Analog Conference Telephone
Polycom Acoustic Clarity™ technology for remarkable voice quality 10-foot (3.5-meter) microphone pickup range Resists interference from mobile phones Large LCD display* for caller ID and other call information Easy to install and use Ideal for medium-sized to small conference rooms.
RJ45 Telephone 15ft Extension Cable