PLNM22 Vista M22 Amplifier By PLANTRONICS, INC.

Adds value to standard and wideband VoIP as well as PBX phone systems, protecting your investment through future telecommunications system upgrades. Clearline™ audio technology improves call quality, enhances speech clarity, manages echo effect, reduces background noise and equalizes volume to maintain user's listening preferences whatever the quality of incoming calls. Quick Disconnect™ feature lets user walk away from the phone without removing the headset or losing the call. Easy-to-use with one-button headset/handset selection, plus controls for both incoming and outgoing volume. For Use With: VoIP and PBX Phone Systems.