SIP IP Phone

9143i, 9480i, 9480i CT and

67xxi Series Phones

RN-001029-04

Rev 05

Release 2.5.3

Image 1

Contents

SIP IP Phone Page Contents About this Document Bootloader Requirements Release Content InformationGeneral Information Hardware Supported Please Read Before Upgrading Your Phone Before you Upgrade Configuration Features New Features in Release Release Issues Resolved in Release DEF19454 Issue Number Description of Fix DEF19446DEF19455 DEF19466 DEF18630 Issue Number Description of Fix DEF18140DEF18733 DEF20093 ENH20321 Issue Number Description of Fix ENH19141 Contacting Aastra Telecom Support Release Notes