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About this document – Aastra Telecom REV 06 User Manual

Page 5

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RN-001029-00, Rev 06, Release 2.2

1

SIP IP Phone

Models 51i, 53i, 55i, 57i, and 57i CT

Release Note 2.2

About this Document

This document provides an overview of the 2.2 features on the 5i Series phones
(51i, 53i, 55i, 57i, and 57i CT).

For more detailed information about the features associated with each phone, and
for information on how to use the phones, see your model-specific SIP IP Phone
Installation Guide
and the SIP IP Phone User Guide. For detailed information
about more advanced features, see the SIP IP Phone Administrator Guide.

Topics in this release note include:

General Information

(release content, hardware supported, bootloader requirements)

Features in Release 2.2

Issues Resolved on Series 5i Phones in Release 2.2

Contacting Aastra Telecom Support

This manual is related to the following products: