6.1 Registering One-touch Buttons and BLF Buttons .....................................................2126.2 Setting the Feature Number to Access Voice Mail ....................................................2126.3 Registering Flexible Buttons .......................................................................................2126.4 Customizing the Phone ................................................................................................2126.5 Adding Applications .....................................................................................................2136.6 Dial Plan .........................................................................................................................2146.6.1 Dial Plan Settings .........................................................................................................2157 Firmware Update ..................................................................................2197.1 General Information on Firmware Update ..................................................................2207.2 Firmware Update Settings ............................................................................................2207.3 Executing Firmware Update .........................................................................................2217.4 Firmware Update Using the SD Card ..........................................................................2228 Backup and Restore ............................................................................2238.1 Backup and Restore .....................................................................................................2249 Resetting the Unit ................................................................................2279.1 Resetting to Factory Default and Clearing Data/Settings .........................................2289.2 Resetting the Settings Made through the Web User Interface (Reset WebSettings) .........................................................................................................................22810 Troubleshooting ...................................................................................23110.1 Troubleshooting ............................................................................................................23211 Open Source Software .........................................................................23711.1 License Information ......................................................................................................23812 Appendix ...............................................................................................23912.1 Revision History ............................................................................................................24012.1.1 Software File Version 01.030 .......................................................................................24012.1.2 Software File Version 01.070 .......................................................................................241Index............................................................................................................243Document Version 2012-07 Administrator Guide 13Table of Contents