Home Videos IS Series: Video 3 – Registering Sound Source IS Series: Video 3 – Registering Sound Source Learn how to add MP3 files to the IS-CCU. Have more questions after the video? Contact Technical Support here. Related Videos IS Series: Video 4 – Area Registration Learn how to divide your IS Series system into specific Areas. Door, room, and sub stations can be assigned to Areas for easy identification during call-in. Some examples of Areas could include “Floor Level”, “East Wing”, or a specific building name on a multi-building campus. Have more questions after the video? Contact Technical Support IS Series: Video 5 – Zone Registration Learn how to set up specific paging Zones. Door stations, room stations, sub stations, and paging amplifiers can be assigned to Zones. Specific announcements or chimes can easily be broadcast to devices within the Zone. Have more questions after the video? Contact Technical Support here. IS Series: Video 1 – Logging In / System Configuration Learn how to log in to the IS-CCU central control unit. Have more questions after the video? Contact Technical Support here. IS Series: Video 2 – Network Setting Learn how to set and change your network settings, including the IP address on the IS-CCU. Have more questions after the video? Contact Technical Support here.