Plantronics Calisto P835M is USB speakerphone optimized for work with Microsoft Office Communicator and Microsoft Lync. Calisto P835M is the first speaker in UC product family line, which unifies the possibility of simple call management and simultaneous work with cell phone, computer and analog telephone line.
Voizbay is a leading communications company at the forefront of Internet telephony technology. Voizbay offers high-quality voice services to carriers, enterprises, service providers, and consumers worldwide.