School Bell Systems Innovation Wireless Los Angeles Looking for an organisation network bell as well as clock system? There are particular indicate take into consideration when examining different systems. The foundation of any type of synchronized bell and clock system is the time resource. The time source usually can be a NIST web website, such as, pool.ntp.org or an inner NTP (Network Time Procedure) server. These resources are reliable as well as precise, thereby, making sure the accuracy of your system.