User guide

IP PHONE FOR MX-ONE™
39 6/1553-DBC 433 01 Uen B6 2010-07-09
Note: If the called extension does not accept Call Waiting signals, you
will continue to hear a busy tone. If the busy extension ignores
the Call Waiting function key, you can order automatic Callback,
see 5.2.1 Callback on page 36.
5.2.2.1 Activating Call Waiting
To send a call waiting signal to the busy number, do the following:
1. Press more....
2. Select CallWaiting, and press Select.
3. Keep handset off hook. When the called extension or the external
line becomes free, it will be called automatically.
When the called extension or the external line becomes free, it will
be called automatically.
5.2.2.2 Answering a Call Waiting Tone
When you get a call waiting tone, do the following to answer it:
1. End the ongoing call.
2. Wait for ring signal.
3. Lift the handset to answer the waiting call.
5.2.2.3 Canceling Call Waiting
To cancel Call Waiting, replace the handset, or press .
5.2.3 Intrusion
You can intrude on an ongoing call on a busy extension. If intrusion is
not allowed for the called extension, you will continue to hear a busy
tone. Before the intrusion is executed, an intrusion tone is sent to the
parties in the ongoing call. As long as the three parties are connected,
you will hear an intrusion tone.
Note: Intrusion might be blocked for use on your extension (this is
programmed by the system administrator). If Intrusion is not
allowed, you will continue to hear a busy tone.
The warning tone can be disabled by categorization, both before
and during the intrusion.
To intrude on an ongoing call at a busy extension, do the following: