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.
Mabrook Voip is a company established in 2009 with 1 customer for a month and now holding hands together with 300 partners from different part of the World.