V8: Advanced - Update(Section): Settings refresh timer
7.1.36 7.3.10 7.1.36 7.3.10x
If a value greater than 0 is set (=number of seconds) the phone configuration will be requested from the setting server after the time has elapsed. After fetching the settings from the "setting server URL" they will be applied and the timer will be reset to the latest received value.
Integer values e.g. 3600 (seconds)