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 the best provider in Vietnam in VoIP services as below:
- Termination service for traffic into Vietnam
- PC to phone service
- Phone to phone service