339Nortel IP Phone 1140EContents This section contains the following topics:• "Introduction" (page 340)• "Description" (page 340)• "Components and functions" (page 341)• "Supported features" (page 345)• "Features not currently supported" (page 348)• "Display characteristics" (page 348)• "Cleaning the IP Phone display screen" (page 350)• "Local Tools menu password protection" (page 350)• "Key number assignments" (page 352)• "Package components" (page 352)• "Installation and Configuration" (page 354)• "Full Duplex mode" (page 370)• "TFTP firmware upgrade " (page 371)• "Gratuitous Address Resolution Protocol Protection" (page 372)• "Extensible Authentication Protocol " (page 372)• "Bluetooth wireless technology" (page 372)• "Redeploying an IP Phone 1140E" (page 372)• "Replacing an IP Phone 1140E" (page 373)• "Removing an IP Phone 1140E from service" (page 374)Nortel Communication Server 1000IP Phones FundamentalsNN43001-368 01.02 StandardRelease 5.0 20 June 2007Copyright © 2003–2007, Nortel Networks.
