AT&T DEFINITY 2500 Instruction Manual page 141

M
uft
i - A
p
pe
ara
nce
V o
ice
f
ermi
n a
t
s
To
actvate Automalic Callback:
1.
!!!Cllhe
extension number you called is busy (all its appearances are busy), press
LgJ,
or dialthe A'Jtomatic Callback actrvate code.
2.
Observe that
Auto Callback green status light goes
on, and
listen
lor
confirmation
tone.
3.
Hang up
within 6 seconds.
lf you hear,
lntercept tone, feafure activation
is
denied because the
called extension
number
alreadv has a
call waitinq or you do not have this feature.
Reorder tone,
the extension number has Call Coverage active.
When
you
are
called back:
1.
The Auto Callback green stalus light llashes, and your terminal re@ives three shon
bursts of ringing tone.
2.
Answer within a
preset time (the time may be set for
one
to
eight cycles
of
ringing
tone).
Ringing
stops if callback is not answered wiihin the preset time.
3.
Listen
for ringback tone, and wait for the called party to answer.
When
you
are
called back in a
DCS
enviaonmenl:
.
You may hear confirmation tone. This indicates that the
busy distant voice terminat
became idle and
the
user originated
a
new call belore Automatic Callback
was
accomplished by
the systern. Hang up within 6 seconds to reactjvate lhe feature.
.
You may hear reorder tone. This indicates that the callback Irom the distant system
was routed over a tie trunk and one of the links was not
available
to
complete the
callback,
or it may indjcate that the trunk selected is
under control of the
attendant.
Hang up and reactjvate the Jeature.
.
lf
all appearances
of your
extension number are busy, the green status light beside
the Auto Callback button flutters
for
16 seconds and then goes
on.
Remove the
busy condition trom one appearance while the light is lluttering so that the callback
can complete.
1,il