AASTRA DT390 for BusinessPhone User Guide EN - Manual (Page 37)

C ORDLESS P HONE FOR B USINESS P HONE
37 1424-EN/LZT 103 091 Uen D 2010-02-12
within eight seconds, otherwise the callback service is cancelled.
While waiting for callback, you can make and receive calls as usual.
4. Press to answer when you are called back.
The system calls the extension.
Note: Callbacks can be activated on several extensions at the same
time.
6.3.2 Ordering Call Waiting (Camp-On)
If you urgently wish to contact a busy extension or external line, you can
send a notification using a call waiting signal.
Note: This feature might be blocked for use on your extension. This
needs to be configured in the WinPDM or CPDM by the system
administrator.
To order call waiting, do the following:
1. Press More, select Call Waiting and press Select.
The other part will hear a call waiting signal.
Note: If Call Waiting is not programmed and does not appear
when you press More, you can press 4 to activate. Austria,
Belgium, Brazil, Denmark and Germany press 5.
2. Keep the phone off hook but close the menu.
3. When the called extension or external line becomes free, it will be
called automatically.
6.3.3 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.