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PROGRAMMING PROCEDURES-INSTRUCTIONS/SYSTEMRECORDS
SECTION 200-096-302
FEBRUARY1991
system will allow “blind” transfers-the
transferring station may release a trans-
ferred call before the called party answers.
If not allowed, the system will allow super-
vised station must
answer before the transferring station re-
leases. If Ring Transfer is not allowed,
immediate recall occurs if “blind”transfer is
attempted.
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CO Repeat Ringing, LED 06-If selected,
the incoming ringing timing pattern at a
station will be the same as the CO line
ringing pattern. This is used mainly with
CENTREX or PBX systems which may
vary the ring pattern to distinguish between
intercom and incoming calls, etc. If Stan-
dard Ringing is chosen, CO line station
ringing will be a 1 second on, 3 seconds off
cycle regardless of the incoming ring pat-
tern. Some Central Offices have ringing
characteristics such that this option would
not be desirable.
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Incoming Call Abandon Timing, LED
05-The amount of time between incom-
ing CO line ring signals determines when
the system will discontinue (abandon)
sending ringing tones to stations. The
choice of 6 or 8 seconds is dependent on
the CO ring pattern. This assignment has
no effect if the CO Repeat Ringing option is
used.
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DTMF Signal Time, LED 04-DTMF sig-
nals sent out to CO lines can be either 80
or 160 milliseconds in length. DTMF to
PSTU/PESU ports (including Voice Mail
ports) are not affected by this assignment.
See Program 1 O-2 for PSTU/PESU DTMF
timing.
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DP Make Ratio, LED 03-Dial Pulse tim-
ing sent out to CO lines can be changed
from the normal 40% make ratio to 33%.
This selection only applies to those CO
lines assigned in Program 15 to signal
dialing with dial pulse instead of DTMF.
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CO Line Reseize Guard Time, LED 02-
Should be set for 0.45 seconds for most
installations. Set guard time for 1.5 seconds
(using Program IO-I, LED 02 ON and
Program 42-O), if CO lines experience the
following situations: no dial tone when a
line is released and reseized immediately;
or, when operating behind CENTREX or
PBX, false hookflash signals are sent to
the Central Office when stations release
and reseize the same CO line immediately
(Release 2 and above).
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Tone First/Voice First-Electronic and
Digtial Telephone, LED 01-With Voice
First, an intercom call to an electronic or
digital telephone will be preceded by a one
second burst of tone, followed by voice
communication via the handsfree answer-
back function. For Tone First, repetitive
intercom ring tone is sent in a 1 -second on,
3-seconds off pattern. Conversion from
one form to the other can be made by
dialing an additional digit of 0 from the
calling station.
Program IO-2-System Assignments 2: The
following options are available on a system-
wide basis.
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Stations Use External Amplified Con-
ference, LED 19-Thisfeatureshould only
be used (LED 19 ON) if an external
amplifier(s) (Program 1 O-3) is used for two-
CO line conference calls. This will provide
additional amplification to the station dur-
ing a two-CO line conference call. If an
external amplifier is not switched into two
CO line conference calls in all cases, LED
19 must be OFF to prevent line unbalance
which may cause HUM noise on the station
talk path during two CO-line conference
calls.
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Two CO Line Conference, LED 18-LED
18 should be ON whenever two CO line
(Tandem, DISA, TIE) connection is allowed
in Program 15-5 and Program 1 O-l, LEDs
19 and 20. This will increase the volume
level between the two outside parties on a
Tandem (two-CO-line) connection; but, it
will not affect station volume if conferenced
into the Tandem connection. This option is
not associated with external amplified
conference (Program 1 O-3).
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Executive Overfide Waining Totie,
LED
16-Executive Override allows a station (if
2-3