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Of System Features

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

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

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

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

Report.

DIRECT INWARD STATION DIALING

(DISD)

The

feature allows an external party to call an

intercom station

without assistance by the

attendant. The

call must be received on a line

which has been specially programmed to allow this
feature. Any line can be programmed to be a

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

line

before 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

line. Setting the number

of rings to 0 disables the line for

use. If a line is

to be dedicated for

use, is a good practice to

set for one ring. The amount of time allowed for an
extension number to be dialed is programmable and a

assist station can be programmed to answer

calls that are not completed during this dial time limit.
When a

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

dial tone to the caller. The

then waits for an

extension number to be dialed from the calling

telephone. Only one

line is serviced at a time;

therefore, an incoming call could ring for more than the
programmed number of rings if a

call is being

serviced when a second

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

dial tone. If

the called station has the call

feature set, the

forwarded station rings.

a called station is busy, the

call is placed on hold and camped-on at the busy
station. the camp-cm is not answered within the
transfer recall timeout period, a busy tone is given
followed by

dial tone. The system will return the

caller to

dial tone two additional times and then

drop the line (a total of three attempts are made).

the busy called station is part of a hunt group,

the

call is muted to an idle station in the hunt

group.

no idle stations are found, the call is

at the dialed station.

hunt group is

not followed in the case of a ring-no-answer (RNA).