• This feature will not function when the busy extension:a. Has set Executive Busy Override Deny or Data Line Security (® 4.1.1 Data Line Security).b. Is being monitored by another extension (® 3.1.7 Call Monitor).c. Is receiving an Off-hook Call Announcement (OHCA) (® 12.1.3 OHCA (Off-hook CallAnnouncement)) or Whisper OHCA (® 20.1.4 Whisper OHCA).d. Is on a conference call (® 3.1.19 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).[One-touch Executive Busy Override]• Automatic Callback Busy cannot be used on CO lines that have this feature enabled (® 1.1.4 AutomaticCallback Busy (Camp-on)).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—Executive→ Executive Busy Override→ Executive Busy Override Deny4.18 [2-9] System Options—Option 1— PT Operation—One-touch Busy Override by SCO key6.1 [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 References3.1.23 COS (Class of Service)Operating Manual References1.3.24 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.104 Feature Manual Document Version 2013-055.1.4 Extension Dial Lock