The Blackwire C620-M by Plantronics is a USB binaural headset that was optimized to work in conjunction with Microsoft Lync. With its inline volume controls and support for wideband audio, the C620-m is designed for comfortable pleasantly fitting all day use.
Modern Digital Communications Inc., founded in 1999, is a service provider offering voice, fax, data, web hosting, domain registration and co-location services.