Aastra-telecom 53I User Manual download pdf (Page 8)

General Information

2 RN-001029-00, Rev 03, Release 2.1

IP Phone Release Notes 2.1

General Information

Release Content Information

This document provides release content information on the Aastra 53i, 55i, 57i,

and 57i CT SIP IP phone firmware.

Hardware Supported

This release of firmware is compatible with the following Aastra IP portfolio

products:

•53i

•55i

•57i

•57i CT

Bootloader Requirements

This release of firmware is compatible with the following Aastra IP portfolio

product bootloader versions:

• 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

Model Release Name Release Version Release Filename Release Date

53i Generic SIP 2.1 FC-001086-00-04 July 2007

55i Generic SIP 2.1 FC-001087-00-04 July 2007

57i Generic SIP 2.1 FC-001088-00-04 July 2007

57i CT Generic SIP 2.1 FC-001089-00-04 July 2007

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Aastra-telecom 53I User Manual Page 8