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.
IVON NETWORKS LIMITED is one of the best VoIP (Voice over Internet Protocol) Service Provider focusing in Internet Telephony Solutions for businesses, VoIP reseller programs and VoIP carrier services.