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Plantronics Corded Amplifiers / Audio Processors
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AVAYA One-Touch Headset Amplifier for 7400/8400 Phones Plantronics Electronic Hookswitch (EHS) Plantronics M22 Headset Amplifier (Replaces M12 Amplifier)
Provides enhanced headset connectivity with 7400 and 8400 series digital telephones/voice terminals equipped with adjunct jack.  Works with all Plantronics H series headsets. A Plantronics EHS adapter allows you to remotely answer and end calls from your headset. The Vista M22 Amplifier Base includes Clearline audio to improve call quality in any environment, especially wideband VoIP.
MX-10 Headset Amplifier for Phone and PC P-10 Plug-Prong type headset amplifier Base Plantronics DA70 USB Headset Audio Processor - 201851-01
The MX10 connects a single headset to a telephone and a PC. The P10 Plug Prong brings hands-free convenience to the PBX and ACD systems and to just about any plug prong type telephone. USB audio processor that connects QD equipped headsets to PC.
Plantronics DA80 USB Audio Processor for Plantronics Headsets - 201852-01 Plantronics Calisto 610 Corded Speakerphone UC Version - 201859-01 Plantronics Calisto 610 Corded Speakerphone for Microsoft Lync - 201859-02
USB audio processor that connects QD equipped headsets to PC. The perfectly portable speakerphone that takes unified communications on the road. The perfectly portable speakerphone that takes unified communications on the road.
Plantronics Calisto P620 Bluetooth Speakerphone UC Version - 86700-01 Plantronics Calisto P620-M USB Speaker Phone for Microsoft Lync - 86701-01 Plantronics (Poly) MDA524 QD (MDA500 QD series) - 212164-01
The perfectly portable speakerphone that takes unified communications on the road. The perfectly portable speakerphone that takes unified communications on the road. Plantronics (Poly) MDA524 QD (MDA500 QD series) is an audio processor that allows integration for mixed call environments.