IP Phone Release Notes 2.2
General Information
General Information
Release Content Information
This document provides release content information on the Aastra 51i, 53i, 55i, 57i, and 57i CT SIP IP phone firmware.
Model | Release Name | Release Version | Release Filename | Release Date |
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51i | Generic SIP | 2.2 | March 2008 | |
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53i | Generic SIP | 2.2 | March 2008 | |
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55i | Generic SIP | 2.2 | March 2008 | |
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57i | Generic SIP | 2.2 | March 2008 | |
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57i CT | Generic SIP | 2.2 | March 2008 | |
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Hardware Supported
This release of firmware is compatible with the following Aastra IP portfolio products:
•51i
•53i
•55i
•57i
•57i CT
Bootloader Requirements
This release of firmware is compatible with the following Aastra IP portfolio product bootloader versions:
•51i - Bootloader 2.0.1.1055 or higher
•53i - Bootloader 2.0.1.1055 or higher
•55i - Bootloader 2.0.1.1055 or higher
•57i - Bootloader 2.0.1.1055 or higher
•57i CT - Bootloader 2.0.1.1055 or higher
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