When could possible be looking at the wave of the future with IPTV for entertainment purposes. With something new there are always challenges, upgrade/updates, and on-the-spot corrections.
Problems are unlikely to avoid such as downtime from streaming, but relax and reassure clients that maintenance is aware of the situation and are working on the situation to just be patience until the system come back online.
Don’t be afraid to respond to client because some feel cheated and disappointed that service is not was as expected. If you reach out and respond promptly to clients and not try to avoid them when issues arises you are more likely to honor their respect instead of criticism.