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.
ASK-VoIP S.A. (ASK-VOIP S.A. is former ASK-VOIP LTD) is a Panama-based telecommunications provider specializing in wholesale international voice traffic.