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.
SIJ Communication is mainly focused on the VOIP wholesale business and hosted service provider for wholesale carrier. Our premium and standard routes fulfill our customer requirements with having good ACD and ASR.