About this Document

SIP IP Phone Models 9143i, 9480i, 9480i CT, and 67xxi Series Phones Release Note 2.5.3

About this Document

SIP IP Phone

Models 9143i, 9480i, 9480i CT,

and 67xxi Series Phones

Release Note 2.5.3

This Release Note 2.5.3 provides issues resolved since the release of the 2.5.2 software for the 9143i, 9480i, and 9480i CT SIP IP Phones and the 67xxi Series SIP IP Phones (6730i, 6731i, 6751i, 6753i, 6755i, 6757i, 6757i CT).

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 2.5.3

•Issues Resolved in Release 2.5.3

•Contacting Aastra Telecom Support

RN-001029-04, Release 2.5.3, Rev 05