Yealink Skype for Business HD IP Phones Administrator Guide56A dialog box pops up to prompt “Firmware of the Skype for Business phone will be updated.It will take 5 minutes to complete. Please don't power off!”.4. Click OK to confirm the upgrade.NoteUpgrading Firmware from the Provisioning ServerSkype for Business phones support using FTP, TFTP, HTTP and HTTPS protocols to downloadconfiguration files and firmware from the provisioning server, and then upgrade firmwareautomatically.Skype for Business phones can download firmware stored on the provisioning server in one oftwo ways: Check for configuration files and then download firmware during startup. Automatically check for configuration files and then download firmware at a fixed intervalor specific time.Method of checking for configuration files is configurable.ProcedureConfiguration changes can be performed using the configuration files or locally.ConfigurationFile .cfgConfigure the way for the Skype forBusiness phone to check for configurationfiles.Parameters:auto_provision.power_onauto_provision.repeat.enableauto_provision.repeat.minutesauto_provision.weekly.enableauto_provision.weekly.begin_timeDo not close and refresh the browser when the Skype for Business phone is upgrading firmwarevia web user interface.
