Firmware and Configuration Files1-8 41-001160-00, Rev 01 Release 2.0IP Phone Administrator GuideOverview Configuration File PrecedenceAastra IP phones can accept two sources of configuration data:• The server configuration most recently downloaded/cached from theconfiguration server files, aastra.cfg/.cfg (or the aastra.tuz/.tuzencrypted equivalents).• Local configuration changes stored on the phone that were entered usingeither the IP phone UI or the Aastra Web UIIn the event of conflicting values set by the different methods, values are appliedin the following sequence:1. Default values hard-coded in the phone software2. Values downloaded from the configuration server3. Values stored locally on the phoneThe last values to be applied to the phone configuration are the values that takeeffect.For example, if a parameter’s value is set in the local configuration (via AastraWeb UI or IP phone UI) and the same value was also set differently in one of the.cfg/aastra.cfg files on the configuration server, the local configurationvalue is the value that takes effect because that is the last value applied to theconfiguration.Configuration MethodsYou can use the following to setup and configure the IP phone:• IP phone UI• Aastra Web UI• Configuration filesModel 53i has 6 softkeys available for programming. Models 55i, 57i, and 57i CThave 12 softkeys available for programming (programmable up to 20 functions).
