Philips D721 - Manual (Page 29)

• The "Callback on busy" feature is not enabled for your connection
• The feature is not supported by all exchanges to the called connection
• At the called connection, a telecommunications system is connected that
does not support the feature
• The feature is barred for its called connection (e.g. in the case of special
telephone numbers)
3.3.2.1 Activating automatic callback
Initial state: called party is busy
Steps:
No. Description Input Display
Initial state: idle, flashing
¤
symbol indicates
that callback is activated
Steps:
No. Description Input Display
043188180
02
,
15 0
Е‹ З ¤‰ ÏÌÓÛı
A
or
ö
The call back party is
called; ringing tone in
the handset or loud-
speaker.
You can conduct the
call once the party
has lifted the hand-
set. 2
CALL BACK FROM:
043188180
Е‹ З ¤‰ ÏÌÓÛı
Called party has
hung up, tone
ringing sounds. 1
04318818
Е‹ З ¤ ‰ ÏÌÓÛı
w
, positive acknow-
ledgement tone
Initiate automatic
callback 1
04318818
Е‹ З ¤ ‰ ÏÌÓÛı
You hear the
busy tone
28