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.
Reseller Services
Voip Reseller Programs
VoIP Termination
Wholesale Termination
VoIP Reseller,Callshop Reseller and A-Z Termination,
PC2Phone Dialer Services & Mobile Dialer Services
All kind of VOIP solution.