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.
Cybertell VOIP solutions provider.
Our primary business includes A-Z termination services,
implementing of PSTN & multiplatform networks,
retail & reseller solutions for VOIP services.