Inter-Tel Imx/Gmx 256 Installation And Field Maintenance Manual

							FEATURESIssue 1, November 1994M. 
DIRECTINWARDDIAIJNG(DID)
4.&tDirect inward dialing (DID) allows an outside
party to dial into the system without attendant interven-
tion. To gain direct 
access to the system, an outside party
dials a 
mmtber that was assigned by the telephone com-
pany to the DID trunks installed on the 256 System. The
system then provides ring signal to the station, stations,
or hunt group according to the programmed ring-in/an-
swer pattern for that DID number.415
There can be up to 400 DID numbers in the sys-
tem and they can be divided among 11 
DID trunkgroups
(as many numbers as desired per trunk group until the
system total of 
400 is reached). Each DID trunk group is
assigned the following parameters:Tenant group de&nation: A DID trunk group
must be assigned to a specific tenant group.
Music-on-hold selection: The DID trunks can use
music channel 1 or 2, or they can use tick-tones or
silence.
Start 
type: The “start type.” of the DID groups can
be immediate, wink, or delay, depending on the type
of DID trunks ordered from the telephone company.DISA codes: Individual DID trunk groups can be
designated for DISA use; however, the security
codes are the same for all DID trunks in the group.
‘Ihmk list: Each DID trunk must be assigned to a
DID group.
Base 
number: The base number is the 3- to 6digit
number that is not dialed into the system by the cen-
tral office. For example, in the number 
%l-9CKQ if
the base number was 9619, the central office wouldsend only 000 into the system. The system then
sends the call tothe ring-in designation associated
with 
%l-9ooo.
4.86Each DID number is individually programmed
with ring-in designations for day and night modes. The
calls can ring in to a single station, a ring/answer pattern,
a hunt group, or as DISA calls. If the number is not as-
signed one of these designations, it will always ring at
the primary attendant’s station.
N.LOOP AND GROUND START TRUNKS
487
The 256 System can use both loop and ground
start trunks. In database programming, the trunks aredesignated as loop or ground start on a trunk-by-trunk
basis.
4.g8In unsupervised trunk-to-trunk calls (such as un-
supervised conferences and forward to an outside 
num-
ber) if either outside party is using a loop start trunk, the
Unsupervised CO timer is activated. When this timer
expires, both parties receive a burst of dial tone. Either
partycanresetthetimerbypressinganyDTMFkey(be-
fore the Single-Line Dial Initiation timer expires). If the
timer is not reset, the call recalls the primary attendant
who can determine whether the trunks are still in use or
if the call should be disconnected. If the trunk 
co~ec-
tions are ground start or DID trunks, this timer is not
needed as they supply reliable 
disUume&XI signals.419
The Hookflash feature (feature code 330) can be
enabled or disabled for loop and/or ground start trunks
on a trunk group-by-trunk group basis.0. 
TRUNKMAINTENANCE
4.90Attendants can place individual trunks out of ser-
vice by entering a feature code. This unequips the trunk,
but does not block incoming calls on the trunk. To out-
side callers, the trunk will appear to be functioning and
they will hear ringing. However, station users will nothear ringing or see a flashing trunk key and 
cannot
access the trunk for receiving or placing calls until the
attendant places the trunk back into service by entering
another feature code. The advantage of using this fea-
ture instead of 
unequipping the trunk in the database, is
that all 
programming for the trunk is preserved and the
trunk returns to complete functionality as soon as it 
isre-
turned to service and no additional progmmmmg is re-
quired. Instructions for placing a trunk out of service are
located on page 4-113. This feature applies to all trunks,
including DID trunks.
4.91Each 
TlC is equipped with a “make busy” switch
for removing all circuits on the card from service and
placing them back in again, and do not require use of this
feature. Pressing the switch will light its 
LE,D and begin
the process of “busying out” each circuit not in use. The
circuits that are in use are then busied out as soon as the
users hangs up.
NOTE: If the trunk that is being placed out of service is
part of a 
telco rotary hunt, the central office will detect
that trunk as being available and will not bypass it for
incoming calls.Page 4-37 
						

							FEATURES
Issue 1, November 1994INTER-TRLPRACTICRSIMX/GMX 2S6INS’IALLATION & MAINTENANCE
P.DIRECT INWARD SYSTEM ACCESS
@ISA)
4.92DISA is a programmable feature that allows an
outside party to dial into the system from an external
DTMF telephone and then access the following system
resources: extension numbers for placing calls to sta-
tions; trunks groups or auto 
trnnks for placing outgoing
calls; hunt group pilot numbers; and, if equipped, a mo-
dem extension number for remote system programming
or report generation.493 Toll restriction is not checked on DISA calls
when an outgoing trunk is accessed. DISA users cannot
access LCR, specific individual trunks (unless they are
the only 
trunk in a trunk group), or paging.
4.94Any of the trunk groups can be programmed to
receive incoming DISA calls in day and/or night mode.
When not in use for DISA, the trunk can be used by sys-
tem users for placing outgoing calls (unless designated
as an incoming-only trunk).
NOTE: Due to the natural characteristics of the trunk,
the volume level of DTMF tones transmitted over the
tnmk may be substantially reduced before reaching the
256 System. This natural degradation in tone volume
may adversely affect the reliability of the DISA feature.
Other factors which can affect DISA performance are
trunk noise and the quality and strength of the DTMF
tones generated by the off-premises phone itself.
4.95When a DISA user calls a station extension num-ber, the call rings as a direct ring-in call, even if the
called station is busy or in do-notdisturb. The DISA
caller hears music (if enabled) until the appropriate
Transfer timer expires; then if the call is not answered it
recalls the called station’s attendant. 
Ifthe called station
is forwarded, the call follows the programmed forward.
4.96When a DISA caller is using or accessesa loopstart trunk, the Unsupervised CO timer is activated.
When the timer expires, both parties hear a burst of dial
tone. Either party may reset the timer by pressing any
DTMF key. If the timer is not reset, the call recalls the
attendant. 
Ifthe attendant does not answer the recall be-
fore the Recall and Abandoned Call timers expire, the
call is disconnected. (This is not applicable to ground
start trunks.)
NOTE: There may be some reduction in voice volume
when a DISA caller accesses an outside trunk.
4.97When a hunt group pilot number receives a call
through 
DISA, the call rings or circulates according to
how the hunt group is programmed (i.e., linear, distrib-
uted, or all ring). The call is displayed as a direct ring-in
call; however, the system actually processes the call as a
transferred call. Refer to page 4-16 for more 
infomta-
tion on hunt group calls.DISA Calls In SMDA Reports
4.98DISA call information is included in the System
Summary SMDA report. See page 4-115.Blocked DISA 
Calls in SMDR Reports
4.99 Whenever an outgoing DISA call is denied,
either by toll restriction or weekly toll limits, the SMDR
reportwill shows a call record for the 
DISAcall and thenanother line with the abbreviation 
“BLK” (for
“blocked”). See page 4-123 for details.DISA Do-Not-Disturb Breakthrough
4.100 Under normal circumstances, direct ring-in
calls are not blocked by do-not-disturb. However, the
database contains an option that allows or disallows 
do-notdisturb breakthrough for DISA (and automated
attendant and voice mail/computer) calls on a station-
by-station basis. If do-not-disturb breakthrough is dis-
allowed, DISA calls to a station in do-not-disturb are
immediately sent to the station’s attendant. If the atten-
dant does not answer the call, it is disconnected after the
Abandoned Recall timer expires.Security codes
4.101DISAtrunks can be assigned security codes thatmust be entered before the caller has access to the
system and/or the CO trunks. In the Etiended softwarepackage, codes can be 4-7 digits long (using 
any
combination of digits O-9, 
*, and #). All other software
packages use 
4digit security codes. The installer can
program separate codes for each DISA trunk to be used
during day and/or night modes.4.102 In the 
Exfen&d software package, a DISA
caller will have three opportunities to enter a valid
security code. If the caller fails three times, the failure
will generate a system alarm on alarm stations and in
SMDR that says “DISA SECURITY LIMIT EXCEED-
ED” and the system will not answer that DISA trunk
again for five minutes. (Any other DISA trunks will be
unaffected.)
DISA Toll Restriction4.103 In the 
Extended software packages, DISA
trunks can be given day and/or night mode toll
restrictions like those described on page 4-27 for
individual stations (except LCR-Only). When a DISA
caller dials an outgoing call, the call is checked againstthe DISA trunk’s toll restriction. If the call is disal-
lowed, the DISA caller is sent to the primary attendant.
4.194If the Weekly Toll Limit feature is enabled,
calls through DISA will be subject to monitoring as
described on page 4-30.NOTE: While DISA is designed to be reasonably
secure against misuse by outside callers, there is no im-
Pace 4-38 
						

							mTER-TJsLPRACTIcEsIMX/GMX 256 INSTALLATION & MAINTENANCE
plied warranty that it is invulnerable to unauthorized in-
trusions. The installer and owner of the system should
ensure that proper security measures have been taken toprevent outside callers from accessing and misusing
outgoing truuks for unauthorized calls. Also, ifthe cen-
tral office does not provide supervision and disconnectthe call when one party hangs up, it is possible for a
caller to remain connected to a CO trunk circuit. If this
happens, and the caller begins dialing, the call could be
placed through the 256 System and would then be billed
to the system’s owner. The system cannot check this
type of call for toll restriction and may not register the
call in SMDR This problem could arise when a call is
connected to a station, when a call is forwarded or trans-
ferred to the public network, or when DISA is used for
placing outgoing calls.
Using DISA
NOTE: DISA calls are not answered unless the neces-
sary resources (a 
DTMF decoder and a voice channel)
are available. If you hear a busy signal followed by mu-sic, the trunk you tried to access is busy. You have
camped on and will be connected to the desired trunk as
soon as it is available. If you call an extension number,you will hear music (if enabled) until the appropriate
Transfer timer expires; then if your call is not answered
it recalls the called station’s attendant.
4.105n, USEDISAIFA SECURllYCODE IS NOTREQUIRED:(1) From a DTMF telephone, dial the telephone
number of the DISA trunk.
(2)When the call is answered by the system and you
hear system intercom dial tone, do one of the fol-
lowing:a. For placing an outside call: Dial a trunk
access code. You then hear outside dial tone
and can place your call.b. For 
remote system programming Dial the
extension number assigned to the desired
modem (defaults to 270-273). Refer to PRO-GRAMMING, page 5-9, for complete re-
mote programming instructions.
c.Forplacing an intercom call: Dial an exten-
sion number or a hunt group pilot number (if
calling the attendant, dial the extension num-
ber, not 0). You hear music until the call is an-
swered.
4.106TO USE DISA IFA SECURllYCODE IS REQUIRED FOR
HTERCOM, MODEM, AM3 TRUNKACCESS:
(1)From a M’MF telephone, dial the number of the
DISA trunk.
(2)When the call is answered by the system and you
hear a single progress tone, enter the appropriate
(day or night) DISA security code.(3)When you hear dial tone, do one of the follow-ing:
a.
b.
C.For placing an outside call: Dial a 
truuk
access code. You hear outside dial tone; place
your call.
For remote system programming: Dial theextension number assigned to the desired
modem 
(270-273). Refer to PRGGRAM-
MING, page 5-9, for complete remote pro-
gramming instructions.
Forphcing an intenzom call: Dial an exten-
sion number or hunt group pilot number. (If
calling the attendant, dial the extension num-
ber, not 0.) You hear music until the call is an-
swered.4.107 
ToUSEDISAIFASECURlTYCODEISREQUlREDFOR
lRUN?LWD MODEMACCESS ONLY..(1) From a 
IYIMP telephone, dial the telephone
number of the DISA trunk.
(2)When the system answers the call and you hear
dial tone, do one of the following:
a.
b.
C.For placing an outside call: Dial a trunk
access code. When you hear a single progresstone, enter the appropriate (day or night)
DISA security code. You hear outside dial
tone when the system recognizes the security
code and if a trunk is available.
For remote systemprvgrammin~ dial the ex-tension number of the desired modem
(270-273). When you hear a single progresstone, enter the appropriate (day or night)
DISA security code. You hear modem tonewhen the system recognizes the security
code. Refer toPRGGUh4MING, page 5-9,
for complete remote programming 
instruc-
tiOll.9.
Forplacing an intexom call: Dial an exten-
sion number or hunt group pilot number. (If
calling the attendant, dial the extension num-
ber, not 0.) You hear music until the call is an-
swered.
NOTE: If you enter an invalid security code, the call is
dropped. If you enter an invalid feature code or exten-
sion number, or dial an invalid number, you hear reorder
tones and then system dial tone. You may try again. Ifyou dial a valid hunt group pilot number that has no
members assigned to it, the call automatically rings atthe primary attendant station 
until the appropriate
Transfer and Abandoned Call timers expire (this occurs
in both day and night modes). If the attendant does not
answer before the Abandoned Call timer expires, the
call is disconnected.Page 4-39 
						

							I
I
FEATURESIssue 1, November 1994INTER-TELlPRACTICESlMNGMX 2% INSTALLATION & MAINTENANCE
5.STATION INSTRUMENTS
5.1To allow system flexibility and cost efficiency, a
variety of station instruments can be used on the 256
System. 
They are:
JMX 256 Digital And Analog Station htmments
0
0
0
0l
0
0
0
0
0
0
Standard Digital Keysets - standard and displayExecutive Digital 
Keysets - display only
IMX 12/24-Line Keysets - display and standard
lMX S-Line Keyset-non-display only
IMX 8/12f&Line AIM Keysets - display only
Enhanced Single-Line Set 
(ESLS)
Single-Line Instrument 
(SLI)
Industry-standard, single-line, dual-tone multi-fre-
quency 
(MM?) set
DigitalDSS/BLFUllits-single or in string of up to
four Units (attached to a digital 
keyset)
IMX DSS/BLF Units (on separate circuits from
associated keysets)
Attendant Computer Console
NOTE: With the proper software package, the Inter-Tel
GX station instruments can also be installed on the sys-
tem. Refer to Appendix A in the back of the manual for
complete information.GMX-256 Analog Station Instruments
0
0
0
0
0
0
0
0
0
0
0
0
Inter-Tel/DVK 24Line Keyset -standard and dis-
play
Inter-TeVDVK 12-Line Keyset -standard and dis-
play
Inter-Tel/DVK S-Line Keyset - standard and dis-play
GMX 24Line Keyset- standard and display
GMX 
12-Line Keyset - non-display only
GX 
24Line Keyset-standard and display
Attendant Computer Console
Inter-Tel/DVK DSS/BLF Unit - single or tandem
GMX 
DSS/BLF Unit - single onlyGX 
DSS/BLF Unit- single or tandem
GMX/GX Single-Line Iustrument (SLI)
Industry-standard single-line, dual-tone multi-fre-
quency 
(DThJF) set
NOTE: For more information on the GX and GMX sta-
tion instruments, refer to appendixes A and B in the back
of this manual.
Pace 4-40
5.2The Inter-Tel AIM keysets, digital keysets, and
DVK keysets contain audio-integrated modules that al-
lows the user to adjust volume levels independently for
pages, calls, ring tones, etc.53 
Keyset Cards (KSCs and KSC-Ds) and Digital
Keyset cards (DKSCs)are used to support keyset sta-tions. Single-Line Cards 
(SLCs) are used to support
single-line stations. Inward Dialing Cards (IDCs) canbe
installed to support AC-ringing off-premises single-linestations, on-premises single-line sets, DC-ringing
single-line devices for special applications, or DID
trunks.
5.4The 
IMX S-line dual-circuit AIM keysets can be
installed 
IWO to a circuit, if desired. To do this, single
KSC-D circuits are designated as “dual” circuits in Sys-
tem 
Configuration programming. (Other keyset models
cannot be installed two to a circuit.) The designated dual
circuit actually becomes 
two circuits that can be pro-
grammed individually 
(X.XA and XXB, where XX is
the circuit number).
5.5System software will support any 
con@uration of
station instruments with the limitation that there must be
a minimum of one 
Keyset Card. The actual configura-
tion is defined by the type of cards and the number of cir-
cuits in use on the system. As many as 128 
keysets can
be installed (256 if S-line AIM 
keysets are installed two
to a circuit), or 
24Osingle-line sets, depending on station
and trunk card installation.A. 
KEYSETS
5.6Keyset design features are described in the follow-
ing paragraphs.
Handsfree Speakerphone
5.7All keyset stations allow the user to dial while on
hook. In addition, the 
keyset speaker may provide back-
ground music (if an external music source is installed)
and is used to receive pages.
5.8IMX Keysets and Inter-Tel/DVK Keysets have a
built-in, integrated speakerphone that allows 
handsfree
operation on outside calls and inside (intercom) calls.5.9 Digital 
Keysets have a built-in speaker and
microphone that allow the user to answer intercom calls
handsfree, dial while on hook, monitor calls, and listen
to background music. Speakerphone resources are pro-
vided by Digital Signal processors 
(DSPs) on the Digital
Keysets Card (DKSC). A DKSC can have up to two
DSPs. Each DSP supports up to 12 speakerphones
simultaneously. Each time a digital keyset user presses
the SPKR key while on hook, the speakerphone function
is activated and the speakerphone resource is assigned
to that phone for the length of the call. If more than 12
speakerphones are enabled on a DKSC with one DSP
and a thirteenth digital 
keyset user requests the speaker- 
						

							INTER-TELPRAcITcEsIMX/GMX 256 INSTALLATION & MAINTENANCEFEATURESIssue 1. November 1994
I
phone function, the user will hear reorder tones and the
display will show NO SPKRPHN AVAIL STAY OFF
HOOK If the user attempts to change to the speaker-
phone and hangs up during a call when speakerphones
are unavailable, the user will be forced into a 
monitor-
only mode. The user will be able to hear the other party
but will not be allowed to transmit to them. In this mode,
the user’s MUTE key will be lit and the display showsNO SPKRPHN AVAIL COME OFF HOOK Pressing
the lit MUTE key will result in a burst of reorder tone;
you must lift the handset to speak.
5.10A programming option can be enabled that dis-
ables the speakerphone (as described on page 
4-55) or
the user can disable the speakerphone using a feature
code. This prevents the station from using the speaker-
phone on outgoing intercom calls and all outside calls. If
the option is enabled, the speakerphone can still be used
for receiving handsfree intercom calls, but the user must
lift the handset to speak when placing intercom calls and
when placing or receiving outside calls. The 
h4UTE key
is lit when the speaker is activated for outside calls or
outgoing intercom calls. Call monitoring and on-hook
dialing are not affected.l
ADMIN F+EATTJRE!S: (This appears only if the sta-
tion is 
programmed as an attend&t.) This option
displays a menu of attendant features.l
IC DIRECTORY: This allows quick access to the
intercom directory.
0CO DIRECTORY: This option provides quick ac-
cess to the 
Co (system speed-dial) directory.l
OTHRR FEATURES: This displays a list of fea-
tures in alphabetical order.
5,14Under the display are six “display-oriented” fea-
ture keys. PREVIOUS and NEXT are used for scrollingthrough screens.
The BACKSPC, FORWARD,
CLEAR, and CANCEL keys do not have a function on
the 
lMX 256 System.
Keyset Identification Displayed
NOTE: On certain handsfree-to-handsfree intercom
calls, voice volume levels may cause feedback to occur.
If this happens, one station user should pickup the hand-
set.
5.15If this option is enabled in the database (refer to
PROGRAMMING, page 
5-6@, the extension number
and assigned user name appear on the top line of the 
key-
set display, and the time and date appear on the bottom
line when the 
keyset is idle. If the option is not enabled,
the display shows date and time only, unless the user
presses the SPCL key and enters the Display Date And
Time feature code (300) to read the full display.Liquid Crystal Display (LCD)
Page 4-41Date, Time, User Name, And Extension Number
Display
5.11Several keyset types are available in standard or
display models. The difference is that there is a liquid
crystal display (LCD) on the display 
keyset. Standard
keysets can be converted to display keysets by installing
LCD Units (refer to REPLACEMENT PARTS for unitpart numbers). Installation instructions are in the
INSTALLATION section of the manual.
5.16When a display keyset is idle, the date and time
(and, if enabled, user name and extension number) are
displayed. While on an outside call, in do-not-disturb, or
unconditionally forwarded, other displays are shown. In
these circumstances, use the following procedure to re-
display the date, time, name, and extension number for
five seconds.5.12 The LCD has two 
16character display lines.
When the keyset is not in use, the LCD shows the date
and the time of day (and, if enabled, the station exten-
sion number and user name). Other displays include: re-minder messages, do-notdisturb messages, numbers
dialed, call sources, elapsed time of calls, current call
costs, error messages, station status, programming mes-sages, etc. The displayed information is described
throughout the instructions in this section of the manual.5.17
TO DISPiXYTHEDAlE, ZIME, USER NW, AiXDEXlEN-
SIONNUbiBER:Circuit Number On Power-Up
5.13Executive Digital Keysets have four additional
display lines with keys on both sides (eight keys) that areused for selecting features from the menu display
instead of pressing feature keys or entering feature
codes. Pressing the key on either side of a display lineselects the option shown on that line. The following
menu options are available on the Executive Digital
Keyset display:
5.18To aid in installation and troubleshooting proce-
dures, display 
keysets show their station identification
for five seconds when power is turned on, when the sys-
tem is reset, or when the 
keyset line cord is first plugged
in (or removed and replaced). The extension number
and assigned user name appear on the top line of the dis-
play, and the circuit number appears on the bottom line.
After the five-second identification display, the 
keyset
returns to the appropriate display, depending on its cur-
rent status.Press the SPCL key and enter the Display Date
And Time feature code (300). The date, time,
user name, and extension number are displayed
for five seconds. 
						

							lNTER-TELPRAcTIcES
IMX/GMX 256 INSTALLATlON & MAINTENANCE
“Hot” Dial Pad Keys
5.19There is a system-wide option that, if enabled,allows 
keyset users to dial trunk access codes and
feature codes without lifting the handset or pressing theSPKR or SPCL key. This programmable feature is
called “hot dial pad” to indicate that the dial pad keys
are always activated.Key Maps
5.20There can be up to 20 different keyset key map
groups. Refer toPROGRAMMING,pages 5-44 and
5-177, for more details. (There is also one map each for
ESLSs and SLIs and 12 maps for DSS/BLF Units.)
5.21Each keyset is assigned to a programmed key
map group that determines the layout of the keys for all
the stations assigned to that group, including the follow-ing:
Call key: Up to 10 call keys can be assigned in each
key map. These keys are used for outside call access.They are not associated with specific trunks.
Instead, they are assigned to calls in the order thatthe calls are placed or received. For example, if a
user has three call keys and places a call using a
trunk group feature code, call key 1 will light to
show the current call status. If another call rings in
while the first call is still in progress, it will cause
call key 2 to flash. If one more call rings in, or if the
user places the first call on hold and places another
call, call key 3 will be used (and call key 1 will flut-
ter). If there are more calls in progress than there are
call keys (e.g., if yet another call rings in to the 
key-
set in the example), the newest call would camp onto the station until a call key became available. If
LCR is programmed, pressing an idle call key will
access the LCR feature for outgoing calls. NOTE:All key maps should have at least one call key if
there is not an individual trunk key for every trunk.
Secondary call key: See page 4-44 for explanation.
DSS/BLF key: A DSS/BLF key will dial the
associated extension number when pressed. If as-
signed to a key with a lamp, it will also show status ofthe associated station 
as described for DSWBLFUnits on page 4-50. 
DSS/BLF keys cannot be
changed by the station user.Feature hey: These are programmed with feature
codes, The feature code appears in the same key
location on all stations assigned to the key map and
cannot be changed by the 
keyset user.
Forward key: The forward key can be programmed
with any of the Call Forwarding feature codes andthe forwarding code used by the key can be changed
by the 
keyset user.Hunt Group key: Like a 
DSWBLF key, this key
dials a hunt group pilot number and, if assigned to a
key with a lamp, will show the status of that hunt
group*Individual 
l’hmk key: These keys are associated
with one trunk each. They can be used for placing
outgoing calls, picking up calls on system hold, and
answering incoming calls on that trunk. If call priva-
cy is disabled system-wide, a busy individual trunk
key can be pressed to join a non-private call.
IC, SPKR, and SPCL keys: All keysets must have
an IC key, a SPKR 
key, and a SPCL key.
WC0 Speed-Dial (SD) keys: Each key map can
have up to 10 IC/CO speed-dial keys. Each SD key
can be programmed by the 
keyset user to dial one ex-
tension number and one outside number. If assigned
to a key with a lamp, the lamp will show the status of
the station associated with that key.Station Programmable key: Up to eight keys can
be designated as station-programmable in the key
map. Then the functions are assigned on a station-by-station basis in the Station Programmable Key
Programming window (Page 5-35 of PROGRAM-
MING). They 
cannot be changed by the keyset user
(unless designated as user-programmable).
Station programmable keys can have any of the fol-
lowing functions:
-Call key or Secondary call key (if all 10 available
call keys have not been assigned in the key map)
- DSS/BLF key
- Feature key
- Forward key (can be programmed by the user to
access any of the Call Forwarding feature codes)
- Hunt group key
- Individual trunk key
- ICE0 Speed-dial (SD) key (if all 10 available
speed-dial keys have not been assigned in the
key map)
- Intercom (IC) key (if not already assigned in the
key map>
- SPCL key (if not already assigned in key map)
- Trunk group key
- Undefined
Page 4-42 
						

							yT&R=R=&~mcTIcEsSTALLATION 81 MAlNTENANCEFEAWIssue 1, November 1994
0
0
0
- User programmable key (if all available user-
programmable keys have not been assigned in
the key map)
‘IIunk Group key: These keys are associated with
specific trunk group access codes and are used for
placing outgoing calls on trunks in the selected trunk
group. 
If assigned to a key with a lamp, the lampwill
be lit if all trunks in the trunk group are in use.Undefined key: The key can be left undefined if it
will not be needed.User-Programmable key: Up to nine user-pro-
grammable keys canbe designated and given defaultvalues in the key map. They can then be repro-
grammed to access any of the trunk group access
codes or feature codes by the individual 
keyset users
as desired.Connecting A Headset
5.22For convenience, a headset can be used at any
keyset station. The SPKR key is used to connect and dis-connect calls 
when, the headset is attached. Refer to
SPEClFIC~ONS, page 2-22, when selecting a head-
set for use on the 
keyset.
5.23
(1)
(2)
(3)
524
(1)
(2)
(3)
TOCOhWXTAH
Disconnect the handset by unplugging the coiled
handset cord 
from the base of the keyset. Leave
the handset in the cradle.
Jnsert the headset plug into the vacant handset
jack.
Press the SPCL key and enter the Headset Enable
feature code (315) or the Headset Mode On/Off
feature code (317).
TODISCOMVECTlHEH
Disconnect the headset by unplugging the head-
set cord 
from the base of the keyset.
Plug the coiled handset cord into the base of the
keyset.
While on hook, press the SPCL key and enter the
Headset Disable feature code (316) or the Head-
set Mode On/Off feature code (317).
Page 4-43 
						

							INTER-TELPRACTICESIMX/GMX 256 INSTALLATION & MAINTENANCE
Secondary Call Keys
5.25This feature is very useful for call screening ap
plications in which one person places and receives calls
for someone else. The following terms will be used in
describing this feature:Call Key: This refers to a standard call key that
shows the status of calls intended for that station (up
to 10 per station).
Secondary Call Key: A special call key that shows
the status of calls intended for a primary station (up
to 16 per station).
Primary Station: A station that has its primary call
keys defined at up to 10 secondary stations.
Secondary Station: A station that has secondary
call keys defined on it.
NOTE: A station can be both a primary and a secondary
station.
5.26When a call rings in at the primary station, any
secondary station with the corresponding secondary call
key will also have a flashing call key. The secondary sta-
tion(s) or the primary station can answer the call.
5.27Each secondary station can have ring 
and flash
signals or 
only flash signals on an individual secondary
call key-by-secondary call key basis. If the secondarystation is programmed for ring and flash, the display
shows CALL RINGING IN ON GRP#XX for calls ring-
ing in on a secondary call key; note that there is no dis-
tinction between primary or secondary calls on the dis-
play. In other words, the display will not indicate that the
call is actually ringing 
for the primary station.
5.28
One or more of the primary station’s call keys can
be associated with secondary call keys on secondary sta-
tions. For example, if the primary station has four callkeys, the secondary station can have up to four
associated secondary call keys for that primary station.
If the secondary station has only three secondary call
keys and a call rings in on the primary station’s fourthcall key (that is not associated with a secondary call
key), the secondary station will not have any indication
of the ringing call.
5.29The following example explains how secondary
call keys are assigned:l
Station X is a primary station and has three call keys.lStation Y is a secondary station and has been as-
signed a key map that contains four secondary call
keys. (Key map programming is explained on page5-44 in
PRGGRAMMING) The keys were then
associated with Station X using the window shown
on page 5-37 in 
PROGRAMMING.
The keys are associated as follows:-- 
3,
/:
STATIONXSTATION YCallkeyl . . . . . . . . . .
Key A (Secondary call key 1)
CaIlkey2 . . . . . . . . . .Key B (Secondary call key 2)
Callkey . . . . . . . . . .Key C (Secondary call key 3)
Noassociatedkey . . . .Key D (Secondary call key 4)
ih--1mo123ABCD
Call KeysSecondary Keys
STATlON XSTATON Y
The call keys are assigned to the secondary call keys
in numerical order. That is, the first secondary call
key that is associated with the primary station is as-
signed to Station X’s call key 1. The next secondary
call key associated with Station X is associated with
call key 2, and so on.
If a secondary call key is deleted (programmed as
another type of key) at Station Y, the remaining sec-
ondary call keys do not change physical position onthe 
keyset. However, their association with Station
X’s call keys are shifted relative to one another. For
example, if Key A in the previous list is no longer a
secondary call key, Key B becomes secondary call
key 1 and the list appears as follows:
SIXTIONXSFATION YCallkeyl . . . . . . . . . .
Key B (Secondaxy call key 1)
Callkey . . . . . . . . . .Key C (Secondary call key 2)
Callkey . . . . . . . . . .Key D (Secondary call key 3)*6
III
I
tlob
I
q m-el123BCD
Call KeysSecondaryKeysI1IISTATION XSTATlON Y
5.30A secondary station can have call keys for morethan one primary station. The primary station corre-
sponding to each key is determined during program-
ming. However, each time a secondary call key is
associated with a primary station, the call keys are as-
signed in numerical order, as shown in the following ex-ample:
lStation X is a primary station with three call keys.l
Station Z is a primary station with three call keys..‘.lStation Y is a secondary station and has been as-
signed to a key map that has five secondary call keys..>’
Page 4-44 
						

							INTER-TELPRACTICBFEATuREsIMX/GMX 256 INSTALIATION & MAINTENANCEIssue 1, November 1994
l
The keys are associated as follows:
SlXlTONKALL KEYSlYATION Y
Station X/Call key 1 . . . . . .Key A (Secondary key 1)
Station X/Call key 2 . . . . . .Key B (Secondary key 2)
Station Z/Call key 1. . . . . .
Key C (Secondary key 3)
Station 
z/call key 2 . . . . . .Key D (Secondary key 4)
Station X/Call 
key 3 . . . . . .Key E (Secondary key 5)
ISTATION XSTATION 
ZSTATION Y
Again, the call keys are assigned in numerical order
for each primary station. When Key C (secondary
call key 3) was associated with Station 
2, it was as-
signed to station Z’s call key 1. Then Key D (second-
ary call key 4) was assigned to Station Z’s call key 2.
The programmer then associated Key E (secondary
call key 
5) to Station X, which assigned it to Station
X’s call key 3. 
(Kit had been associated with Station
Z, it would have been assigned to Station Z’s call key
3-I
0The programmed list of associated stations for sec-
ondary call keys does not change when a secondary
call key is deleted. In the example above, secondarycall keys 1, 2, and 
5 (Keys A, B, and E) are
associated with Station X and secondary call keys 3
and 4 (Keys C and D) are associated with Station Z.
If one call key is deleted, the remaining keys are re-
numbered, and any keys that change number assume
the association assigned to that number. For exam-
ple: If Key C is no longer a secondary call key, Key D
becomes secondary call key 3 and Key E becomes
secondary call key 4. (Secondary call key 5 is no
longer associated with a key on Station Y.) There-
fore, the list appears as shown below:
STATION/CALL ICEYSl-ATION Y
Station X/Call key 1 . . . . . .
Key A (Secondary key 1)
Station X/Call key 2 . . . . . .Key B (Secondary key 2)
Station 
z/Call key 1. . . . . .Key D (Secondary key 3)
Station Z/Call key 2 . . . . . .Key E (Secondary key 4)
Station X/Call key 3 . . . . . .No secondary call key1
Call KeysSTATION X
I
7 FT
LpA B
I
STATON ZSTATlON Y
5.31If a secondary station user presses a secondary
call key to place a call, that secondary station’s SCOS
and trunk restrictions are checked, not the primary sta-
tion’s, and the call will appear in the 
Sh4DR report as
originating at the secondary station.
5.32If a secondary station 
haa call forward enabled,
only calls made directly to that station will follow the
forward. Calls on the secondary call keys will not be for-
warded.
5.33
Ifthe primary station has immediate call forward
(all calls or if busy) enabled, calls will be forwarded and
will not cause the secondary call keys to flash at the sec-
ondary stations. If call forward no answer is enabled, the
secondary call keys will flash until the Call Forward No
Answer timer 
expirea and the forward is completed.
5.34The ANSWER key will still answer ringing calls
in the order that they were received by that station. Even
if a call comes in on a secondary call key and then an-
other call comes in on a primary call key, the call on thesecondary call key will be answered 
first. (The
ANSWER key cannot be used to answer flash-only
calls.)5.35 If Automatic Trunk Answer is enabled at a
secondary station, calls on the secondary call keys can-
not be answered by simply lifting the handset. The sec-
ondary station user must press the desired secondary call
key, or the ANSWER key to access the call.
5.36If the primary station or any secondary station
puts a call on system hold, all associated primary and
secondary call keys flutter to show that a call is on hold.
If the call is placed on individual hold, the station thatplaced it on hold will have a flashing call key and all
associated standard and secondary call keys will be lit
(to indicate that the call key is in 
use). Only the stationthat placed the call on individual hold can access the
call.
5.37If a call on a secondary call key is placed on hold
and the call recalls, the call will ring and the recall dis-
play 
(GRP#XX RECALL FROM cstation thatplacedit
on hold>) will appear at the primary station and any ap-plicable secondary stations set for ring and flash. All
associated standard and secondary call keys will flash to
indicate ringing. If the call is not answered, it will recall
the primary station’s attendant (the display then shows
the primary station as the source of the recall).
5.38If a call on a secondary call key is transferred, and
the call recalls, it goes back to the station that transferred
it. The recall will appear under a standard call key at that
station.Page 4-45 
						

							INTER-TELPRACTICESIMXIGMX 256 INSTALCATON & MAINTENANCE539
If the primary station transfers a call that recalls,
all associated secondary call keys will flash to indicatethat the recall is ringing. Secondary stations pro-
grammed for ringing will also see the recall display.
5.40When a primary station receives a queue call-
back, the corresponding secondary call key at the sec-
ondary station(s) will be lit (to indicate that the call key
is in use). The secondary station(s) will not be able to
answer the queue callback.
5.41If a secondary station user requests a queue call-
back while using a secondary call key, the queue call-
back will appear under one of that station’s standard call
keys and will not appear at the primary station or any of
its other secondary stations.
5.42Although calls on system hold cannot usually be
reverse transferred, a call on a standard call key at the
primary station or any secondary call key that has been
placed on system hold can be picked up, using reverse
transfer, at any station. If reverse transferred calls are
not automatically connected, the call will be placed onindividual hold at the reverse 
transferring keyset.
(Single-line sets will automatically be connected to thecall.)
5.43When a direct ring-in trunk can be accessed (al-
lowed-answer or ring-in assignment) by both a second-
ary call key and an individual trunk key on a secondary
station, both keys will show the ring-in by flashing. (If a
primary station has an individual trunk key, calls on thattrunk will not appear under a call key and, therefore,
cannot be answered at secondary stations.)
5.44If a call is answered using an individual trunk
key, the system assumes that the secondary station is an-
swering the call for itself and places the call on the indi-
vidual trunk key. 
AR of the primary station’s call keys
and any other secondary station’s secondary call keys
for that trunk stop flashing and remain unlit.
5.45If a call is answered using a secondary call key,
that secondary call key flashes and all other associatedcall keys for that trunk stop flashing. The individual
trunk key on the answering station is lit to indicate that
the trunk is busy.
5.46If privacy release is enabled, a secondary station
user can join an ongoing call by lifting the handset and
pressing the busy secondary call key. If privacy release
is not enabled, the user will hear reorder tones if the lit
secondary call key is pressed.
Default Keyset Feature Keys
5.47When the system is in the default state, all key-
sets are in the same key map group and have the follow-ing feature keys. Not all keys indicated below appear onall 
keysets, as indicated below. Feature code descrip
tions start on page 4-5.
KEYFUNCTION
ANSWERAutomatic Trunk Selection (89)
CNFConference (5)
DAI’AData (340) -On digital, LMX 12/24&e,
and DVK keyse-ts only
DNDDo-Not-Disturb On/Off (372)
FWDCall Forward All Calls (355) -This fea-
ture key may be reprogrammed with any
of the call forward options (however,
other feature codes may not be used).
Pressing a lit FWD key has the same ef-
fect as the cancel any call forward feature
code (359).
HOLDIndividual hold (336)
ICSelects a voice channel or picks up a
holding or camped-on intercom call.
h4sGMessage (365) -Also retrieves mes-
sages when the flashing MSG key is
pressed.
MUSICBackground Music On/Off (313) - On
digital, IMX 12/24-l& and 24-l& DVK
kqsets only
Microphone Mute On/Off (314)
OUTGO-Selects a trunk for placing an outgoingINGcall using the Least-Cost Routing (LCR)
feature (9).
PAGEPage 8
QuJ3Busy Trunk/Station Callback (Queue)
Request (6) and Cancel Queue (376).
REDIALRedial(380)- On dinitak IMX
SPCL
SPKR
SYS SPD
XFR
12/24-l& hnd DVK &y&ts only. When
the system is in the default state, the
mode of the redial feature code is last
outside number dialed (320). Users may
reprogram the mode to last outside 
muu-
ber saved (321).
Signals the system to expect a feature
code.Speakerphone On/Off (312)
System Speed Dial (381) - On digital,
IMX 12124~line, and 24-line DVKkeysets
only
Transfer CO Call (345) and reverse trans-
fer (4)
I?,
_:
Page 4-46