AASTRA 4425 IP Vision for BusinessPhone User Guide - Manual (Page 33)

33 BusinessPhone – Dialog 4425 IP Vision
Outgoing Calls
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 Automatic
Callback, Camp-on, Intrusion ” on page 105.
Intrusion
You can intrude on an ongoing call on a busy extension (if this
function is allowed). 8
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 Automatic Callback,
Camp-on, Intrusion ” on page 105.
Diverted Extension
See “ Bypass Call Forwarding ” on page 54