1.18 Proprietary Telephone (PT) FeaturesFeature Guide 1251.18 Proprietary Telephone (PT) Features1.18.1 Fixed ButtonsDescriptionProprietary telephones (PTs) and DSS Consoles feature a wide variety of feature buttons and Line Accessbuttons, explained below.Note that certain models do not feature certain buttons.For a description of the buttons found on portable station (PS), please refer to the Operating Instructions foreach PS.[PT]Button UsageNavigator Key,Volume KeyUsed to adjust the volume of the speaker, handset and headset, andalso adjust the display contrast. The Navigator Key can also be used toselect data from the Call Directory on the display.PROGRAM Used to enter and exit programming mode.FLASH/RECALLUsed to disconnect the current call and make another call withouthanging up (Flash/Recall mode or Terminate mode), or used to send aflash/recall signal to the telephone company or host PBX to accessexternal features (External Feature Access mode). Also used as aCANCEL button while on-hook.HOLD Used to place a call on hold.SP-PHONE (Speakerphone) Used for hands-free operation. Also used to switch between handsetand hands-free operation.MONITOR Used for hands-free dialing. Also used to monitor the other party's voicein hands-free mode.MESSAGE Used to leave a Message Waiting indication or call back the party wholeft the Message Waiting indication.REDIAL Used to redial the last number dialed.TRANSFER Used to transfer a call to another party.Flexible COUsed to access a CO line or CO line group when making or receiving acall according to the button's preprogrammed CO Line Access method(Default: S-CO). Can also be customized as a different feature button.INTERCOM Used to make or receive intercom calls.
