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.
We are a VoIP wholesale and retail provider and we have been in the business for 4 years. And we are interconnected with more than 300+ Carriers including Tier 1 Company’s.