For busy calls
Soft Button or Icon Description
You can receive a callback ringing notification from an
extension when it becomes available.
This button appears only for internal calls.
• Reserving a Busy Line (Automatic Callback Busy)
(Page 87)
Send the called extension a call waiting signal.
This button appears only for internal calls.
• Sending a Call Waiting Notification (Call Waiting)
(Page 86)
Leave a notification that you called at the called
extension.
This button appears only for internal calls.
• Leaving a Message Waiting Indication (Page 86)
Override the selected call.
The call will shift to conference mode.
This button appears only for internal calls.
• Joining an Existing Conversation (Executive Busy
Override) (Page 87)
For Do Not Disturb calls
Soft Button or Icon
Description
Override Do Not Disturb.
• Overriding Do Not Disturb (DND Override)
(Page 87)
Document Version 2010-01 Operating Instructions 45
Before Operating the Telephone
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