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.
Asnatel Ltd, Registered company in UK. We deals in Wholesale VOIP Termination,Calling Card Solutions, Hosted Voip We have 4 core routes and full A2Z in very compitant rates.