Ericsson 4422 manual Busy Extension, Diverted Extension, Camp-on, Intrusion

Outgoing Calls

	Busy Extension
	You call an extension and receive busy tone.
	Camp-on
4	You can notify a busy extension of your call by sending a call
	waiting tone (if this function is allowed).
	Press to camp-on.
	Keep handset off hook. When the called extension replaces the
	handset, it will be called automatically.
	Notes: If you receive the busy tone again, the desired
	extension does not allow Camp-on.
	The number for Camp-on may differ from country to
	country, see table “Alternative Programming for Camp-on,
	Automatic Callback, Call pick-up, Intrusion” on page 90.
	Intrusion
8	You can intrude on an ongoing call on a busy extension (if this
	function is allowed).
	Press to intrude.
	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.

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

The number for Intrusion may differ from country to country, see table “Alternative Programming for Camp-on, Automatic Callback, Call pick-up, Intrusion” on page 90.

Diverted Extension

See chapter “Bypass Call Forwarding” on page 50.

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