The Konftel 250 is equipped with Konftel patented OmniSound 2.0 audio technology, for crystal-clear sound. Save your contacts in the phone book and use the conference guide to easily set up multi-party calls or pre-programmed group calls. Features include a built-in recording function that enables you to record your calls on an SD memory card, analogue connection and is ideal in larger settings with the additional optional of expansion microphones. More... Related products: