The Konftel 300 is an incredibly flexible and powerful conference phone. It supports user scenarios from traditional telephony to PC-based collaboration for everything from personal meetings to large auditoriums. It's also packed with smart features, incorporating OmniSound® 2.0. Conference guide, call recording capability and line mode between analogue, mobile and USB for VoIP. Can be upgraded with expansion microphones or wireless headset/PA system for large meetings (optional accessories).