8User Manual ContentsSection 6 SLT and ISDN Telephone Features.................5-1 A1036.1 Basic Operation.........................................................................5-2Making Calls ...........................................................................................................5-2Receiving Calls........................................................................................................5-36.2 SLT and ISDN Telephone Features.........................................5-4AAbsent Message Capability .....................................................................................5-4Account Code Entry ................................................................................................5-8 A104Alternate Calling — Ring / Voice .........................................................................5-10Automatic Callback Busy (Camp-On) ..................................................................5-11 A106BBusy Station Signalling (BSS) ..............................................................................5-12CCall Forwarding — SUMMARY ..........................................................................5-13Call Forwarding — All Calls ...........................................................................5-14Call Forwarding — Busy .................................................................................5-15Call Forwarding — No Answer .......................................................................5-15Call Forwarding — Busy / No Answer............................................................5-16Call Forwarding — to CO Line .......................................................................5-17Call Forwarding — Follow Me........................................................................5-18Call Forwarding — CANCEL...............................................................................5-19Call Hold ...............................................................................................................5-20Call Hold Retrieve.................................................................................................5-21Calling Line Identification Restriction (CLIR) ............................................................ A108Call Park ................................................................................................................5-22Call Pickup, CO Line ............................................................................................5-23Call Pickup, Directed ............................................................................................5-24Call Pickup, Group ................................................................................................5-25Call Pickup Deny...................................................................................................5-26Call Splitting..........................................................................................................5-27Call Transfer — to CO Line ......................................................................................... A110Call Transfer — to Extension................................................................................5-28Call Waiting ...........................................................................................................5-30 A153Conference.............................................................................................................5-32Connected Line Identification Restriction (COLR) ..................................................... A111DData Line Security.................................................................................................5-34 A151Do Not Disturb (DND)..........................................................................................5-35 A112Do Not Disturb for Direct Dialing In Call ................................................................... A114Do Not Disturb (DND) Override ..........................................................................5-36Doorphone Call .....................................................................................................5-37 A116UserManualU/MAddendum