Ericsson Dialog 3210 User Manual page 21

Intrusion on a busy external line
Dialog Dialog
3212 3211
You can intrude on an ongoing call on a busy external line.
Press and dial individual external line number
Press and dial the digit or digits to get an external line
Busy tone.
Press
Note: You can also press: Intrusion (function key pre-
programmed by you).
Before the intrusion is executed a warning tone is sent to the
parties in the ongoing call. A three party call is established
and a warning tone is heard.
Note: The Intrusion function might be blocked for use on your
extension (programmed by system administrator). If Intrusion is not
allowed you will continue to receive a busy tone.
Dialog
3210
When You Receive a Busy Tone
19