Chapter 4. Key Telephone Features Section 700 - Operation4-60 DBS Manual - Revised April 2000 DBS-2.3/9.2-7002. Press the REDIAL key.The last number dialed appears on the display.3. Complete the call and replace the handset.The line key LED changes from green to red and then goes off.Considerations• If the Auto Flash Redial feature is set, you can flash the outside line onceby pressing the REDIAL key at the busy tone. You can then redial the lastnumber dialed.• The Last Number Redial feature can redial a number up to sixteen digitslong.• A maximum of five chained Speed Dialing codes can be redialed. See“One-Touch Keys” on page 4-74 for more information.Line Appearances(All Versions)The DBS provides up to four types of line appearances, depending on theCPC version used.The following table summarizes how each type of line appearance is used:Table 4-7. MCO and ML key definitionsKey DefinitionDSS/BLF Appear-ancesDSS/BLF keys provide one-touch dialing, direct station selection(DSS), and busy lamp fields (BLF) for extensions.Direct Line (DL)AppearancesDL keys are used to originate and receive calls over specific trunknumbers.Multi-CO (MCO)AppearancesMCO keys are used to originate and receive CO calls.Multi-Line (ML)AppearancesML keys are used to originate and receive CO line calls and intercomcalls.