Busy extension, Camp-on, Intrusion – AASTRA 4223 Professional for BusinessPhone User Guide User Manual

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Outgoing Calls

BusinessPhone — Dialog 4223 Professional / Dialog 3213

Busy extension

You call an extension and receive busy tone.

Camp-on

You can notify a busy extension of your call by a muted ringing call.

camp-on

Press (see display).
Keep the handset off hook. When the called extension replaces the
handset, it will be called automatically.

Note: If you receive the busy tone again, the desired
extension does not allow Camp-on.

Intrusion

You can intrude on an ongoing call on a busy extension (if this
function is allowed).

intrusion

Press (see display).
Intrusion tone is heard and a three-party call is established. When
the called extension replaces the handset and you keep off hook,
the called extension will be recalled automatically.

Note: If you still hear the busy tone, your extension does
not have the authority to intrude or the desired extension is
protected against Intrusion.