General Information
2 RN-001029-04, Release 2.5.3, Rev 05
IP Phone Release Notes 2.5.3
General Information
Release Content Information
This document provides release content information on the Aastra 9143i, 9480i, and 9480i CT
SIP IP Phone firmware and the 67xxi Series SIP IP Phone firmware.
Hardware Supported
This release of firmware is compatible with the following Aastra IP portfolio products:
Bootloader Requirements
This release of firmware is compatible with the following Aastra IP portfolio product bootloader
versions:
Model Release Name Release Version Release Filename Release Date
6730i Generic SIP 2.5.3 FC-001240-02-Rev07 January 2010
6731i Generic SIP 2.5.3 FC-001224-03-Rev07 January 2010
6751i Generic SIP 2.5.3 FC-001126-05-Rev07 January 2010
6753i Generic SIP 2.5.3 FC-001086-09-Rev07 January 2010
6755i Generic SIP 2.5.3 FC-001087-10-Rev07 January 2010
6757i Generic SIP 2.5.3 FC-001088-09-Rev07 January 2010
6757i CT Generic SIP 2.5.3 FC-001089-07-Rev07 January 2010
9143i Generic SIP 2.5.3 FC-001092-05-Rev07 January 2010
9480i Generic SIP 2.5.3 FC-001097-05-Rev07 January 2010
9480i CT Generic SIP 2.5.3 FC-001101-05-Rev07 January 2010
• 6730i • 6757i
• 6731i • 6757i CT
• 6751i • 9143i
• 6753i • 9480i
• 6755i • 9480i CT
• 6730i - Bootloader 2.4.0.80 or higher • 6757i - Bootloader 2.0.1.1055 or higher
• 6731i - Bootloader 2.4.0.80 or higher • 6757i CT - Bootloader 2.0.1.1055 or higher
• 6751i - Bootloader 2.0.1.1055 or higher • 9143i - Bootloader 2.2.0.166 or higher
• 6753i - Bootloader 2.0.1.1055 or higher • 9480i - Bootloader 2.2.0.166 or higher
• 6755i - Bootloader 2.0.1.1055 or higher • 9480i CT - Bootloader 2.2.0.166 or higher
