d. Is on a conference call (® 3.1.18 Conference, ® 13.1.14 Privacy Release).e. Is on a doorphone call (® 4.1.12 Doorphone Call).f. Is using Live Call Screening (LCS) or Two-way Record (® 19.1.4 Voice Mail DPT (Digital)Integration).g. Has a call on consultation hold (® 4.1.8 DISA (Direct Inward System Access)).• This feature is not available for a CO-to-CO line call via Direct Inward System Access (DISA).PC Programming Manual References4.9 [2-6-1] Numbering Plan—Main—Features— Executive Override Deny Set / Cancel4.11 [2-6-3] Numbering Plan—B/NA DND Call Feature— Executive Busy Override4.12 [2-7-1] Class of Service—COS Settings→Extension Feature— Executive Busy Override→Programming & Manager— Executive Busy Override Deny6.1 [4-1-1] Wired Extension—Extension Settings—Option 3— Executive Override Deny6.10 [4-2-1] Portable Station—Extension Settings—Option 3— Executive Override DenyPT Programming Manual References[505] Executive Busy Override[506] Executive Busy Override DenyFeature Manual References3.1.21 COS (Class of Service)Operating Manual References1.3.23 Executive Busy Override5.1.4 Extension Dial LockDescriptionAn extension user can change the Toll Restriction (TRS) level of the telephone (® 17.1.6 TRS (TollRestriction)) so that other users cannot make inappropriate CO line calls. An extension personal identificationnumber (PIN) is used to unlock the telephone (® 5.1.6 Extension PIN (Personal Identification Number)).This feature is also known as Electronic Station Lockout.Conditions• This feature also restricts changing the Call Forward (FWD) destination. (® 6.1.6 FWD (CallForwarding))• Remote Extension Dial LockOverrides Extension Dial Lock. If an extension assigned as the manager sets Remote Extension Dial Lockon an extension that has already been locked by the extension user, the user cannot unlock it. If a managerextension unlocks an extension that has been locked by the extension user, the extension will be unlocked.This feature is also known as Remote Station Lock Control.• TRS LevelCOS programming determines the TRS level for Extension Dial Lock.92 Feature Manual Document Version 2009-125.1.4 Extension Dial Lock