2.21.2 Flexible ButtonsDescriptionYou can customise the flexible buttons and/or programmable feature (PF) buttons on PTs, Add-on KeyModules, and PSs through either system or personal programming. They can then be used to make or receiveintercom or trunk calls or be used as feature buttons, as follows:[Button Usage]Button UsageSingle-CO (S-CO) Used to access a specified trunk for making or receiving calls.Group-CO (G-CO) Used to access an idle trunk in a specified trunk group for makingcalls. Incoming calls from trunks in the assigned trunk group arriveat this button.Loop-CO (L-CO) Used to access an idle trunk for making calls. Incoming calls fromany trunk arrive at this button.Direct Station Selection (DSS) Used to access an extension with one touch.Network Direct Station Selection(NDSS)Used to access an extension at another PBX within the samenetwork.One-touch Dialling Used to access a preprogrammed party or feature with one touch.Incoming Call Distribution (ICD)GroupUsed to access a specified incoming call distribution group formaking or receiving calls.Message Used to leave a message waiting indication or call back the partywho left the message waiting indication.FWD/DND (External/Internal/Both)*1Used to perform the FWD or DND feature for the extension. Thefeature is applied to trunk calls, intercom calls, or both.Group FWD (External/Internal/Both)Used to perform the FWD feature for a specified incoming calldistribution group. The feature is applied to trunk calls, intercomcalls, or both.Account Code Entry (Account) Used to enter an account code.Conference Used to establish a multiparty conversation.Terminate Used to disconnect the current call and make another call withouthanging up.External Feature Access (EFA) Used to send a flash/recall signal to the telephone company or hostPBX to access their features.Charge Reference Used to check the total call charge for your own extension.Call Park Used to park or retrieve a call in a preset PBX parking zone.Call Park (Automatic Park Zone) Used to park a call in an idle PBX parking zone automatically.Call Log Used to show the incoming call information.Log-in/Log-out*1 Used to switch between log-in and log-out mode.Hurry-up Used to redirect the longest waiting call in the queue of an incomingcall distribution group to the overflow destination.Feature Guide 2512.21.2 Flexible Buttons
