General Information2 RN-001029-03, Release 2.4.1, Rev 01IP Phone Release Notes 2.4.1General InformationRelease Content InformationThis document provides release content information on the Aastra 9143i, 9480i, and 9480i CTSIP IP Phone firmware and the 675xi Series SIP IP Phone firmware.Hardware SupportedThis release of firmware is compatible with the following Aastra IP portfolio products:Bootloader RequirementsThis release of firmware is compatible with the following Aastra IP portfolio product bootloaderversions:Model Release Name Release Version Release Filename Release Date6751i Generic SIP 2.4.1.37 FC-001126-04-REV01 December 20086753i Generic SIP 2.4.1.37 FC-001086-08-REV01 December 20086755i Generic SIP 2.4.1.37 FC-001087-06-REV01 December 20086757i Generic SIP 2.4.1.37 FC-001088-06-REV01 December 20086757i CT Generic SIP 2.4.1.37 FC-001089-06-REV01 December 20089143i Generic SIP 2.4.1.37 FC-001092-04-REV01 December 20089480i Generic SIP 2.4.1.37 FC-001097-04-REV01 December 20089480i CT Generic SIP 2.4.1.37 FC-001101-04-REV01 December 2008• 6751i • 6757i CT• 6753i • 9143i• 6755i • 9480i• 6757i • 9480i CT• 6751i - Bootloader 2.1.0.2088 or higher • 6757i CT - Bootloader 2.0.1.1055 or higher• 6753i - Bootloader 2.0.1.1055 or higher • 9143i - Bootloader 2.2.0.166 or higher• 6755i - Bootloader 2.0.1.1055 or higher • 9480i - Bootloader 2.2.0.166 or higher• 6757i - Bootloader 2.0.1.1055 or higher • 9480i CT - Bootloader 2.2.0.166 or higher