1.7 Busy Line/Busy Party FeaturesFeature Guide 1071.7.2 Executive Busy OverrideDescriptionAllows an extension user to interrupt an existing call to establish a three-party conference call.Executive Busy Override Deny:It is possible for extension users to prevent their calls from being intercepted by another extension user.Conditions• COS programming determines the extension users who can use Executive Busy Override and setExecutive Busy Override Deny.• This feature does not work when the busy extension is in one of the following conditions:a) Executive Busy Override Deny or Data Line Security (→ 1.10.5 Data Line Security) has been set.b) While being monitored by another extension (→ 1.7.3 Call Monitor).c) While receiving OHCA (→ 1.7.4.3 Off-hook Call Announcement (OHCA)) or Whisper OHCA (→1.7.4.4 Whisper OHCA).d) During a Conference call (→ 1.13.1 Conference Features).e) During a doorphone call (→ 1.16.1 Doorphone Call).f) While Live Call Screening (LCS) or Two-way Record is activated (→ 1.23.3 Voice Mail DPT (Digital)Integration).g) During Consultation Hold.• This feature is not available for a trunk-to-trunk call via DISA.PT Programming Manual References[505] Executive Busy Override[506] Executive Busy Override DenyFeature Guide References2.2.1 Class of Service (COS)User Manual References1.2.4 When the Dialled Line is Busy or There is No Answer1.7.7 Preventing Other People from Joining Your Conversation (Executive Busy Override Deny)