Upgrading Projects from Philips SM40/Bosch Praesideo to Bosch Praesensa System (Full Digital IP Public Address). Specialised in the design, consultation, implementation and maintenance of communication and security systems such as Public Address, Emergency Voice Communication, CCTV/VSS/DVR/NVR, Integrated Security Systems, Audio/Video Intercom, Conference, Integrated Audio/Visual, Fiber Optic Network (Audio/Data/Control).