About This Document - Aastra 9143i Release Notes

About this Document

This Release Note 2.3.1 provides issues resolved for the 5i Series IP Phones (51i, 53i, 55i, 57i, and
57i CT), and the 9143i, 9480i, and 9480i CT IP Phones.
For more detailed information about 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)
• New Features in Release 2.3.1
• Issues Resolved in Release 2.3.1
• Contacting Aastra Telecom Support
RN-001029-02, Release 2.3.1, Rev 01
SIP IP Phone Models 9143i, 9480i, 9480i CT and 5i Series Phones Release Note 2.3.1
Models 9143i, 9480i, 9480i CT
and 5i Series Phones
SIP IP Phone
Release Note 2.3.1
About this Document
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