Intratone is a French and European manufacturer of communication systems and wireless telephone intercom system for collective housing. Intratone purposes a complete range of GSM door entry systems : audio panels, video door entry systems, Visio intercoms. Intratone is specialised in wireless GSM intercom systems including access control and security equipments, while meeting the requirements of contemporary design and providing an unmatched communication service - all designed for ease of use, easy to install and ensure peace of mind for a very reasonable cost.