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.
Minute Exchange has been serving the Telecommunications community since 2003. We specialize in Wholesale Minutes, VoIP Interconnection, Inbound Services and Switch Partitions as well as many other telecommunications services.