Aastra 7434ip, Руководство пользователя

Страница: 45 / 119

IP P
HONE FOR
MX-ONE™
45 6/1553-DBC 434 01 Uen C 2010-12-17
• If the internal number you have called is busy or does not answer.
You can have several callbacks activated at the same time.
• If all external lines are busy. You can have only one callback acti-
vated on a busy external line.
Note: While waiting for a callback, you can make and receive calls.
5.2.1.1 Ordering Callback
To order callback, do the following:
1) Press Callback .
It takes a few seconds before the procedure is executed.
A confirmation message is displayed.
2) Replace the handset to finish the procedure.
You are called back (callback reminder) when the ongoing call is
finished or the next time a new call is finished.
5.2.1.2 Ordering Callback When All External Lines Are Busy
If all external lines are busy (after dialing the digit or digits to get an
external line), do the following:
1. Press Callback .
Wait for dial tone.
2. Dial the external number (or part of the number, or no number) and
press
# .
• You can have a callback on the external line, that is, you will
be notified when the external line is free without specifying the
external number to call.
• You can enter a number that will be dialed automatically when
you answer the callback call.
• You can enter part of the number, and dial the remaining digits
when you answer the callback call.
3. Replace the handset.
When the external line becomes free, you will be called back (call-
back reminder).
5.2.1.3 Answering Callback
As soon as an internal number, or an external line, becomes free, you
will be called back.