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,&Ion Of System Features
lMl66-083
Further, the system camp-on feature cannot be used
to camp-on to a department.
Subsequent calls to a department on a particular line
always try the next station in the department from
whichever station serviced the last call on that line.
This means that if department stations 15 and 16 are
programmed to answer line
1,
and station 15 services
a call, the next line 1 call will ring at station 16. When
both stations 15 and 16 are programmed to answer
lines 1, 2 and 3, call delivery is on a per line basis: If
station 15 handles and completes calls on line 2 and 3
while station 16 is still on line
1,
the next calls on line 2
or 3 goes to station 15 even if station 16 has become
idle.
Since the RNA time of a station is a programmable
feature, department stations can be set to have a short
RNA time to allow a call to search rapidly through a
department for an answer.
When an outside or transferred call is ringing at a
department station, the station user can press the
pre-programmed Do Not Disturb (DND) button to
place the station in an off-duty condition. While
off-duty, all outside and transferred calls skip to the
next department station. This
offduty
condition
remains set until the DND button is pressed again to
place the station back in service. When the overflow
station is set to DND, all incoming and transferred calls
will return to the department queue.
A department station can also be taken out of service
and placed in a wrap-up mode to provide the user time
for doing such things as follow-up paperwork. While a
station is in a wrap-up mode, all outside and
transferred calls skip to the next department station.
The station user sets the wrapup mode by pressing
SHIFT DND and presses these buttons again to clear
the wrap-up mode.
It should be noted that the departments formed for use
with this direct department calling feature are different
from those departments used in SMDA reporting.
Assign department transfer recall time (unanswered
call transfer recall time feature) using the system class
of service programming. Assign lines for direct
department calling using the line class of service
programming. Assign department stations, access
codes to departments (flexible numbering feature), and
busy/RNA timeout (call forward
-
busy feature) using
the station class of service programming. Also refer to
the discussion titled: Departmental Calling Distribution
Report.
DIRECT INWARD STATION DIALING
(DISD)
The DISD feature allows an external party to call an
intercom station directly without assistance by the
attendant. The DISD call must be received on a line
which has been specially programmed to allow this
feature. Any line can be programmed to be a DISD
line for both the normal mode of operation and the
night transfer (of ringing) mode of operation.
The number of rings which occurs on a DISD line
before
tt
is answered is programmable. By setting a
large number of rings, time is allowed for a call to be
serviced in a regular manner by stations that have a
line appearance for the DISD line. Setting the number
of rings to 0 disables the line for DISD use. If a line is
to be dedicated for DISD use,
tt
is a good practice to
set
ft
for one ring. The amount of time allowed for an
extension number to be dialed is programmable and a
DISD assist station can be programmed to answer
calls that are not completed during this dial time limit.
When a DISD line is called, it rings for a programmed
number of rings. If the call is not answered in a normal
manner by a station with the line appearance during
this time, the system answers it and presents a DISD
dial tone to the caller. The s;:stem then waits for an
extension number to be dialed from the calling
telephone. Only one DISD line is serviced at a time;
therefore, an incoming call could ring for more than the
programmed number of rings if a DISD call is being
serviced when a second DISD call is received.
When a valid extension number is dialed, a
confirmation tone is sounded, the system attempts a
transfer, and the called station rings if it is idle. If a
called station does not answer within the transfer recall
timeout period, the call is returned to DISD dial tone. If
the called station has the call
fonnrard
feature set, the
forwarded station rings. lf a called station is busy, the
call is placed on hold and camped-on at the busy
station.
ff
the camp-cm is not answered within the
transfer recall timeout period, a busy tone is given
followed by DISD dial tone. The system will return the
caller to DISD dial tone two additional times and then
drop the line (a total of three attempts are made).
NOTE:lf
the busy called station is part of a hunt group,
the DISD call is muted to an idle station in the hunt
group.
lf
no idle stations are found, the call is
catqoed-on at the dialed station.
The
hunt group is
not followed in the case of a ring-no-answer (RNA).
If an invalid extension number is dialed, an error tone is
sounded before the DISD dial tone is returned.
If a
mistake in dialing is made, the caller can dial a S for a
new DISD dial tone. The system will return the caller to
DISD dial tone two additional times and then drop the
line. If extension number dialing is not completed
within the programmed dial time limit, the call is routed