1.7 Busy Line/Busy Party FeaturesFeature Guide 79e) Is on a doorphone call (→ 1.15.1 Doorphone Call).f) Is using Live Call Screening (LCS) or Two-way Record (→ 1.21.2 Voice Mail DPT (Digital)Integration).g) Has a call on a consultation hold (→ 1.12.5 Consultation Hold).• This feature is not available for a CO-to-CO line call via Direct Inward System Access (DISA) (→ 1.15.6Direct Inward System Access (DISA)).Operation References1.2.4 When the Dialed Line is Busy or There is No Answer1.7.6 Executive Busy Override Deny1.7.3 Call MonitorDescriptionAllows an extension user to listen to a busy extension user's existing conversation. The user can hear theconversation but will not be heard. If desired, the monitoring user can interrupt the call to establish a three-party conference call.Conditions• Class of Service (COS) programming determines extension users who can use this feature.• This feature is available only when the busy extension is in a conversation with another extension oroutside party.• This feature will not function when the busy extension:a) Has set Executive Busy Override Deny (→ 1.7.2 Executive Busy Override) or Data Line Security(→ 1.10.5 Data Line Security).b) Is receiving an Off-hook Call Announcement (OHCA) (→ 1.7.4.3 Off-hook Call Announcement(OHCA)) or Whisper OHCA (→ 1.7.4.4 Whisper OHCA).c) Is on a conference call (→ 1.13.1 Conference Features).d) Is on a doorphone call (→ 1.15.1 Doorphone Call).e) Is using Live Call Screening (LCS) or Two-way Record (→ 1.21.2 Voice Mail DPT (Digital)Integration).f) Has a call on a consultation hold (→ 1.12.5 Consultation Hold).• This feature stops when the busy extension user presses the following buttons during a conversation(→ 1.18.1 Fixed Buttons, → 1.18.2 Flexible Buttons):– FLASH/RECALL button– HOLD button– TRANSFER button– CONF (Conference) button– DSS button– EFA button– Two-way Record button– Two-way Transfer button– One-touch Two-way Transfer button
