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.
Matrix is largest selling PBX brand in India. Our wide product range of IP-PBX, IP-Phones and Gateways-VoIP, GSM, BRI/PRI are feature rich and of the best quality in the industry.