(2) Incoming calls to a DND station wilt be
indicated by a flashing lamp at the DND
station. The calling station will hear busy tone.
The DND station can elect to answer the flashing
lamp or ignore it.
Note
1:
Station codes 10 through 19 have
the capability to override the DND feature
upon receiving the busy tone. Refer to the
override feature.
Note
2:
If a station activates DND after
it becomes an alternate station for the call
forwarding feature (see paragraph 4.12) it wilt
receive forwarded calls in a normal manner,
but if the code of the station is dialed directly
the calling station will hear busy tone.
(3) To cancel the feature, the station code of
the station originating DND must be dialed
from the origina ting station.
For example,
if station 20 has DND in effect, to cancel DND,
20 is dialed from station 20. Acknowledgment
tone is heard at the station to indicate the feature
is canceled.
Note:
Selective cancellation is not possible;
that is, if a station has more than one
dial-activated feature in effect, cancellation
of one feature will cancel all others in effect
for that station.
C. Call Forwarding
4 . 1 2
With this feature, calls intended for a user's
station can be routed to an alternate station.
The audible and lamp signals will operate at both
the originating and alternate stations but the
originating station can answer the call with the
feature in effect.
All calls for the originating
station will be forwarded. If the alternate station
is busy the calling station will receive a busy signal
even though the originating station is idle. Calls
for the originating station will be forwarded to
the alternate even if the alternate activates DND
after call forward is activated.
A station cannot
be set up for call forwarding and automatic
callback a t the same time.
An attempt to
activate one with the other in effect will result in
error tone. Up to 16 call forwarding indications
can be handled by the 6B KTS. Additional attempts
will result in error tone. More than one connection
can go to the same alternate station. The system
will not forward to more than one alternate, that
ISS
1,
SECTION 5 1 8-4 1 1 - 1 00
is, station 20 cannot have calls forwarded to both
stations 30 and 40 at the same time. Also, calls
for station 20 can be forwarded to 30, station 30
can forward to 40 but station 20 will not forward
to 40.
4. 1 3
Assuming station 20 wants to forward calls
to station 30, the sequence is as follows:
(1) Station 20 goes off-hook on the intercom,
receives first dial tone, and dials 02.
(2) When second dial tone is received, station
20 dials 30.
Note:
If originating station is already in
CFWD, the system will update to the new
alternate. If the alternate station is in DND,
station 20 will receive busy tone. If alternate
selected is not a working station or a nonstation
code is dialed (such as a feature code), error
tone will be returned.
(3) Station 20 hears acknowledgment tone
indicating feature is in effect.
(4) With CFWD in effect, when station 20 is
dialed, the call is terminated at station 30.
The audible and visual signals will operate at
both stations with those at the originating station
timing out after 12 seconds.
(5) To cancel CFWD, the station code of the
originating station must be dialed
from
the origina ting station.
D. Call Forwarding-Do-Not-Disturb
4. 1 4
When these two features are put into effect
in sequence, calls wilt be forwarded as
described, but no signals will be received at the
originating station.
With CFWD alone, audible
and lamp signals are received at both stations.
To affect, activate CFWD as shown in paragraph
4.12 then DND as shown in paragraph 4.10. Canceling
either feature will cancel the other.
AUTOMATIC CALLBACK
4. 1 5
Automatic callback (ACBK), when activated
by a user who has dialed a busy station,
will automatically attempt to establish the connection
when both stations become idle and a link is
available. For instance, if station 20 gets a busy
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