*** DISCONTINUED *** All-in-One: The A20 under the telephone accessory deck hosts Plantronics top-of-the-line amplifier, cord management, on-line indicator and headset stand Easy Adjustment : Audible and visual cues simplify the adjustment of incoming and outgoing volume, tone control and mute Improved Sound Quality: Unique SoundGuard Plus and Call Clarity technologies for superior sound Easy Installation: Sets up in minutes with plug-and-play automatic configuration and seamless telephone integration Variable placement headset stand Adjustable accessory deck Connects to single- or multi-line corded phone Six foot corded on-line indicator Headset stand Quick Disconnect coil cable connects to all Plantronics H-series headsets Headset not included A20 This all-in-one solution delivers an under-the-telephone accessory deck with a top-of-the-line A20 amplifier, cord manager, on-line indicator and headset stand. Also available with a headset (S20 Telephone System). Features A20 M12 MSLP $150 $120 On-line Indicator Standard $25 AC/DC Power Standard $10 Headset Stand Standard N/A Sub Total $150 $155 Auto-Configuration Standard N/A Cable Management Standard N/A Transmit Volume Control Standard N/A Auto Lifter Optional N/A