The Avaya (Lucent) Headset Amplifier for Partner business telephones. Use any Plantronics or Avaya Hands-Free Headset with out having to lift up your telephone handset for every call.
The Plantronics Vista M22 Amplifier with Clearline Audio Technology is a VOIP-ready, Hands-Free Office Solution! The Plantronics M22 is Designed for telephone professionals using either new wideband VoIP or traditional phone systems.
