Conference Bridge connects a number people participating
in conference-calls. It represents itself a server that works as a telephone
and can respond to many calls simultaneously.
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.