Chapter 2 Device description 15Telephony Device Installation GuideThe IP Phone 1120 brings voice and data to the desktop by connecting directly to a local areanetwork (LAN) though an Ethernet connection• IP Phone 1140/1140E: graphical, high-resolution LCD display, backlit, with adjustablecontrast. It also has six user defined feature keys and four soft keysThe IP Phone 1140 brings voice and data to the desktop by connecting directly to a LANthrough an Ethernet connection.• IP Key Expansion Module (KEM): 24 programmable keys (with labels) for IP Phone 2002or 2004 models; maximum of four IP KEMs for one phoneISDN devicesRefer to Chapter 5, “ISDN overview for information on ISDN devices (hardware).Table 1 is a matrix of telephony devices and the BCM releases with which they are compatible.Table 1 also shows what media bay module (MBM) is needed to support each device.Table 1 Telephony devices release compatibility matrixDevice BCM 3.5 BCM 3.6 BCM 3.7 BCM 4.0 BCM501.0BCM502.0 MBMT7000 (EU only) X X X X X X DSMT7100 X X X X X X DSMT7208 X X X X X X DSMT7316 X X X X X X DSMT7316E X X X X X X DSMT7406 (North America only) X X X X X X DSMT 24 KIM X X X X X X DSMBST Doorphone X X X X X DSMDect 413x X X X DSMDect 414x X X X DSMDigital Mobility Phone 7420 X DSMDigital Mobility Phone 7430 X X DSMDigital Mobility Phone 7440 X X DSMIP Phone 2001 X X X X XIP Phone 2002 X X X X X XIP Phone 2004 X X X X X XIP Phone 2007 X X XIP Phone 1110 X XIP Phone 1120E X XIP Phone 1140E X XIP Softphone 2050 X X X X X X