Comdial Dxp Plus Instructions Manual

							Single-Line Proprietary Telephone Support
The system supports a proprietary single-line telephone. The single-line telephone provides basic
intercom service coupled with the ability to access outside lines and system features through special
access codes.  The programmer identifies the station port for single-line telephone use.
SMDA Reports
The system will automatically provide an SMDA report whenever the costed call storage reaches 95
percent of capacity. The programmer can arrange the system to print the reports automatically at a
specific time in the order that they are specified. The attendant can view the number of free records or
delete all stored records. Deleting all stored records insures that the system is storing only the latest
SMDA reports and provides a known starting point for record storage. Also, the installer can use the
programming terminal to view the number of free records and delete all the stored records. Any call
records created between the time the report printout was started and completed will not be printed or
deleted. If the reports are not deleted after they are printed, a later command to delete records will delete
all records at that point and not just the ones that were printed in the previously generated reports. The
programmer can arrange for the system to always delete the records after they have been printed. The
attendant can request particular reports at any time they are required.
If the programmer arranges the system to use account codes, they can be used to identify calls by category
or by any other desired grouping so that costing by that category or grouping can be reported.
There are four different Station Message Detail Accounting reports.
·Detailed report sorted by stations
·Detailed report sorted by account codes
·Line summary report
·A general output of all records
SMDA Reports—Call Costing / Hold Time
The programmer can also choose between call costing reports and hold time display reports. The hold
time display feature reports the accumulated time a line has been on hold; call costing reports the
estimated cost of the call.
Speakerphone Support
The optional speakerphone provides handsfree operation of all features.
Speed Dial Sets
Refer to the discussions titledSystem Speed DialsandStation Speed Dials.
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							Split Button
When a telephone is mapped with this feature, the user can press the button to switch between the last call
(intercom, outside line, or conference) that they placed on hold and their current active call.
Also refer to the discussion titledProgrammable Button Flexibility.
Square/Non-Square Configuration(Button Mapping)
Refer to the discussion titledProgrammable Button Flexibility, andFull Button Programmability of
Features.
Station By Station Privacy
See the discussion titledAutomatic Privacy.
Station Call Transfer
Refer to the discussions titledCall Transfer -Unscreened, Call Transfer - Screened.
Station Camp-On, Callback
Refer to the discussion titledCamp-On With Automatic Callback
Station Class Of Service
The programmer can enable or disable a group of features and parameters to provide a particular class of
service (COS). The system permits the arrangement of up to 32 different classes of service. After
programming the COS features, the programmer then programs individual stations to exhibit one of these
different classes of service. He or she usually chooses certain COS features to match a particular group of
users and then programs the stations assigned to these users to exhibit that COS.
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							Station Hunting
Station hunting is available to systems with a software revision of 3.A and later. Station hunting provides
a means of routing both intercom and outside calls through an installer-determined grouping of stations.
This call routing continues to a designated overflow location in case of no answer or if all stations in the
hunt group are busy. Station hunting works equally well with intercom, standard central office (CO)
lines, direct inward dialing (DID/DNIS) lines, direct inward system access (DISA) lines, and E&M tie
lines.
For station hunting purposes, stations are considered busy under the following conditions:
·when they are currently connected with a call (internal or external),
·when they have an incoming call currently ringing,
·when they have a call on hold, in DND, call forwarded, out of service or being intercepted by an OAI
application.
The installer can enable default call forwarding for a hunt group station. This feature allows the system to
forward the non-hunt group routed calls that a station receives. Calls routed to a station by the station
hunting feature ignore the default call forwarding settings. The installer can assign all types and any
number of lines to ring at a hunt group. He or she can assign the lines as direct, delayed, day 1, day 2 or
night ringing lines.
Hunt Group Attributes
Pilot Extension: This is the extension number that callers dial to call or route calls to this hunt group. The
pilot extension number is similar to a personal intercom number, or extension number, and follows the
same numbering plan restrictions. When station hunting is used with DID/DNIS, the pilot extension is the
extension number assigned in the DID/DNIS translation table. When station hunting is used with DISA,
the pilot extension can be the extension number assigned to the signals digit translation for the digital
voice announce (DVA) message associated with the DISA line.
Name:The hunt group’s name is the seven character alphanumeric name of this group that is used for
LCD display and reference.
Full Name:The hunt group’s full name is the 20 alphanumeric character name of the group that is used
by OAI applications. (Future development will support OAI access and control of station hunting.)
Direct Ring Lines:The list of lines that directly ring at this hunt group when the system is not in the
night mode of operation. This list can contain any lines in the system.
Delayed Ring Lines: The list of lines that delay ring on this hunt group. This list can contain any lines in
the system.
Day 1, Day 2, Night Ring Lines:The lists of lines that can ring this hunt group during these programmed
times. These lists can contain any lines in the system.
Member Stations: The list of stations that are members of this hunt group. This list can contain all
stations in the system but is limited to personal intercom numbers only.
Overflow Destination: The overflow destination is a station intercom number, a group intercom number,
a voice mail number, or another hunt group pilot extension where the system routes unserviced hunt
group calls.
Queue Ringing Calls: With the queue ringing calls feature disabled and if all stations in the hunt group
are busy, the system immediately routes hunt group calls to the overflow destination. With the queue
ringing calls enabled, in the case of no answer or if all stations in the hunt group are busy, hunt group
calls wait in a queue to be answered until an overflow timer times out then route to the overflow
destination.
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							Station Hunting, Hunt Group Attributes–continued
DID/DNIS Display for Station Hunt Groups: Beginning with software release 4A, if station hunt group
members need to differentiate incoming DID/DNIS calls, programmers can take action to cause a
different display to occur. With this feature active, the display shows the incoming digits or translated
name instead of the station hunting name.
Multiple Call Handling For Station Hunt Groups:Beginning with software release 4A, programmers
can arrange the system to allow member stations within station hunt groups to handle multiple calls. With
this feature turned off, the system considers any hunt group member stations that have calls on hold or in
a park orbit to be busy to the station hunting call delivery process even though these stations are otherwise
idle. With this feature turned on, the system considers any hunt group member stations that have calls on
hold or in a park orbit to be available for additional call deliveries as long as these stations have ring
positions available (that is: an available personal intercom number, hunt list and so forth).
Types Of Hunting
Terminal Hunting:Terminal station hunting always delivers a call to the first idle station programmed
in the hunt group. If the station does not answer within a programmed amount of time (programmed as
the Call Advance Timer), the system delivers the call to the next sequential idle station programmed in
the hunt group. The system makes no attempt to balance the distribution of incoming calls as this is a
linear search through the programmed list. The search starts at the beginning of the list for each incoming
call.
Distributed Hunting:Distributed station hunting delivers a call to the next idle station in the hunt group
after the station that received the previous call. If that station does not answer within the programmed
call advance time, the system delivers the call to the next sequential idle station programmed in the hunt
group. This hunting method is a linear search through the programmed list; however, the search starts
wherever it left off after the previous call.
Longest Idle Station Hunting: Longest idle station hunting delivers a call to the station that has been
idle for the longest period of time since completing the last call that was routed to it by the station hunting
feature. In the case of stations with equal idle times (such as at system startup), the system picks the first
of the grouped stations with equal idle times. If that station does not answer within the call advance time,
the system delivers the call to the station with the next longest idle period.
Ring All Station Hunting: Ring all station hunting is not a true hunting method. This method delivers a
call to all idle stations simultaneously. This is a good method to use when the site requires that all calls
be answered as quickly as possible.
None (No Hunting): This selection disables hunting for the group. It allows a hunt group to be
completely programmed yet disabled. Any intercom calls to this group will receive busy and line ringing
ignores any programming within this group.
Station Hunting Timers
Call Advance Timer: This is the time interval that a station within a hunt group rings unanswered before
the system routes the call to the next station in the group. This timer is programmable from 10 seconds
though 5 minutes.
Overflow Timer: This is the maximum time interval that an unanswered call hunts within a group before
the system routes it to the designated overflow station for the group. This timer is programmable from 30
seconds through 15 minutes.
Recall Timer:This is the maximum time interval that an unanswered transferred call hunts within a
group before recalling to the source of the transfer. This timer is programmable from 30 seconds through
15 minutes.
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							Station Hunting Operation
When a system station user makes an intercom call to the hunt group pilot extension, the system rings the
first available station within the hunt group (based on the group’s selected hunting method). This ringing
appears on the station’s personal intercom. The system ignores all call announce settings as all intercom
calls into a hunt group are treated as voice announce block calls. If the station does not answer the call
within the programmed call advance time limit, the system rings the next station of the group. If no
station answers within the programmed overflow time, the call rings the designated overflow destination.
When a line rings at a hunt group, it rings at the first available station within the group (based on the
group’s selected hunting method). As the ringing line appears at the station, it follows the DXPPlus
conventions for line appearances. If the station does not answer the call within the programmed call
advance time limit, the system rings the next member station. If no station answers within the
programmed overflow time, the system sends the call to the designated overflow destination.
The DXPPlussupports a maximum of 64 hunt groups. Each hunt group can include the maximum
number of stations that the system can support; however, due to system memory limitations, all hunt
groups can not contain all stations simultaneously. Since the system makes a total of 32 Kbytes of
memory available for station hunt groups, you can use the following formula to determine possible station
hunt group capacities.
[32768 Kbytes] – [(Stations per group) x (2) + (220 bytes of memory)] = memory remaining for next hunt
group
Station Message Detail Recording (SMDR)
Station message detail recording provides a record of the incoming and outgoing calls handled by the
system on selected lines. This record provides information for accounting and traffic analysis studies.
When enabled, SMDR is invoked automatically. The SMDR feature generates a call record for printing
as soon as it is collected by the system.  The call record is presented as ASCII data in an eighty-column
format to an RS-232 data port located on the central processor unit circuit board. SMDR requires
customer-provided equipment such as a printer or other compatible data recording device.
Also see the discussion titledCall Costing and SMDA Reports.
Station Monitoring With DSS Call Pick Up
Refer to the discussion titledIntercom Number.
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							Station Name
The installer can assign a display name and a full name to a station. A display name is composed of a
maximum of seven characters and shows in the display of an LCD speakerphone as a identification aid. A
full name is composed of a maximum of 20 characters and shows in some voice mail and open
architecture interface applications. The installer can compose a valid name from any alpha-numeric
character; however, the first character of a display name must be an alphabetic character.
Station Speed Dial
Station speed dialing is a feature that lets the user dial lengthy numbers using one or two buttons, store
frequently used feature dialing codes, and store intercom extension numbers of frequently called
telephones. The user can store speed dial numbers at any unused programmable button, or if the
programmer assigns a shift button to a telephone, or one exists as a fixed feature button, the user can store
a speed dial number at a second level under any programmable button.
Speed dial buttons can store up to 16 digits, Plus trunk or intercom number selection. Stored digits
include 0-9,\and #. A pause is stored at any point where the HOLD button is pressed, and a hookflash
is stored at any point where the TAP button is pressed.  Also refer to the discussion titled Automatic
Pause Insertion.
There are two levels of storage on speed dial buttons. To access the second level, the user must press the
programmed SHIFT button. The shift mode is then active for five seconds after the SHIFT button is
pressed.  If a SHIFT button is not available, the user has access to only one level of speed dial storage.
A speed dial set is a group of 10 speed dial locations. The DXPPlussystem allocates one speed dial set
to each telephone as a default but can allocate up to 10 sets to a telephone if a programmer makes it so.
When a DSS/BLF Console is operated as a companion to a telephone, the programmer must allocate it’s
speed dial sets at the companion telephone to be shared with the console. The total system speed dial
allocation that is available is 960 sets or 9600 individual speed dial locations.
Station Transfer Recall
Refer to the discussion titledTimed Recall.
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							Subdued Off-Hook Voice Announce (SOHVA)
With the subdued off-hook voice announce (SOHVA) feature, a subdued announcement can be made
from one station to another station that is off-hook and busy on a call. When a user is operating a
telephone in a handsfree mode, it cannot receive a SOHVA. The telephone must be a model that includes
SOHVA capability. With SOHVA, the announcement is delivered and responded to in a subdued manner
that prevents the distant party from hearing either the announcement or the response.  A tone alert
precedes the announcement and is delivered to the handset receiver of the telephone ahead of the
announcement. The installer can program the number of tones that the system delivers. The announcing
callers also receive a tone to alert them that they are making a SOHVA call. Users can response to the
announcement in a verbal or non-verbal manner. They affect a verbal response by pressing and holding
the MUTE button or appropriate interactive button and speaking into the handset. They effect non-verbal
response by pressing a pre-programmed button to send a message to be shown on the display of the
announcing station (if it is an LCD speakerphone). The announcing station is automatically disconnected
after the response message is displayed. Stations that have the voice announce blocking feature turned on
cannot receive a SOHVA call. Also refer to the discussion titledCall Announce with Handsfree
Answer-back and Response Messaging.
SOHVA installations for analog telephones requires two paired station ports. In addition to the wiring
connections associated with the installation, the installer must take certain programming actions. He or
she must mark the telephone type for the odd-numbered station port to support the connected telephone,
and mark the telephone type for the even-numbered station port undefined.
Busy On SOHVA
A default, a system returns a ring back tone to users who make SOHVA calls to busy stations; however,
the system programmer can arrange for telephone users to receive a busy signal instead of the ring back
tone. This feature lets non-LCD telephone users know that a called station is busy.
SOHVA Beeps (SOHVA Tone Bursts)
Installers can choose the number of tone bursts that each telephone user hears preceding a SOHVA
message to be a value of from one to six.
Subdued Off-Hook Voice Announce Groups
The SOHVA calling groups control the pattern that station ports receive and/or originate SOHVA calls to
one another. The programmer first creates SOHVA groups and then assigns individual stations to each
group.
Subdued Ringing
When a station is busy on a call and another call comes to the same station, the ringing of the second call
will automatically be subdued to a lower volume.
Synchronized Ringing
When the programmer enables synchronized ringing, the central office ringing pattern is tracked on
external calls that ring within the DXPPlussystem.
Also refer to the discussion titledDiscriminating Ringing.
System Clock
The system clock provides time and date information for display on LCD speakerphones and on
SMDR/SMDA printouts. The clock also provides the time for the user–set alert feature.
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							System Speed Dial
System speed dialing provides system users with a repertory of up to 500 numbers that they can dial from
any telephone in the system.  The programmer or the attendant is responsible for storing the system speed
dial numbers. These numbers can be up to 32 digits long and can include line number selection, the dial
pad digits 0-9,[, and #, Plus pauses and hookflash signals.
The programmer or attendant can divide the unused or available system speed dial numbers into up to 50
different groups with 10 numbers in each group and then assign different speed dial groups to each station
class of service (total of 500).
The program can choose a line a line group that the system will automatically select for speed dialing.
Alternately, the programmer or attendant can choose the intercom to be automatically selected for speed
dialing. This enhancement allows an intercom selection and feature codes to be stored together as speed
dial numbers for true one-button access to features (for example; store INTERCOM\11 and
INTERCOM #1 at two locations for system wide availability to music on and music off). This
enhancement will not accept\#0\or[#746[as programming entries and it ignores any entered pauses
or hookflashes.
System Status And E1–T1 Status Log Viewing
When enabled, this feature permits the system to light a system status light to notify certain designated
stations when a system error condition occurs. You can view the status log directly from an LCD
speakerphone. If the E1 or T1 option is installed, you can also view the status log from an LCD
speakerphone in the same manner.
Your LCD speakerphone must have a pre-programmed system status button to enter the status log
viewing mode. The status button is programmed using the button mapping procedure in the  Programming
Instructions. The LCD status log viewing feature allows you to view the log only. The installer must use
programming to clear the log.
To enter the log viewing mode, you press the system status button (the system status button flashes red if
any log entries exist). The LCD indicatesSYSTEMandE1(if the E1 option is installed) orT1(if the T1
option is installed). Select the log you want to view by pressing the related interactive button. If you are
using a telephone that is not equipped with interactive buttons, you can use dial pad buttons 1, 2, and 3
that perform the same functions as the interactive buttons. See the following chart.
Interactive Button
Location Displayed Function Equivalent Dial Pad Button
Left SYSTEM, 1
Left REV 1
Center FWD 2
Right, T1 3
Right, INFO 3
After selecting the log you want to view, you can view the time and date of the current log entry by
pressing the INFO interactive button (or dial pad button 3 when appropriate). You can scroll through the
selected log to view all of the entries by pressing the REV and FWD interactive buttons (or dial pad
buttons 1 and 2 when appropriate).
The number of entries in the log is displayed whenever you press the # button.
You exit the log viewing mode either by pressing the SPEAKER button, pressing the hookswitch, or
waiting for the 15-second time-out.
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							T
T1 Digital Carrier Transmission Option(For Domestic U.S.A. Applications)
The T1 digital carrier transmission option is a domestic U.S.A. option that allows up to 24 channels of
voice and/or data transmissions over a single four-wire cable using multiplexing techniques in superframe
(SF) or extended superframe (ESF) format. For convenience, a customer service unit (CSU) is built into
the T1 option board to terminate the T1 channels, provide protection from transient voltages, and respond
to loopback requests from the central office.
Since the DXPPlussupports a maximum of 240 lines, and each T1 board handles up to 24 channels,
installers can place up to 10 T1 boards in the DXPPlussystem. They can install these 10 boards in any
available universal board slot in the main and expansion cabinets. Of course, any other installed line
boards, such as loop start, DID or multipurpose, reduce the number of lines available for T1 service and
thus reduces the number of T1 boards that installers can add to the system.
The installation must include the Syncronization card (DXOPT-SYN) on the Services board whenever
one or more T1 boards is installed, and the DXPPlusis receiving its timing signals from an external
source. In installations where the local DXPPlusis supplying the clock signal for the far system, the local
system does not require a DXOPT-SYN card.
Programmers can assign a system status button to a station and enable the system to report T1
transmission errors via the T1 status log. Depending on how they program the system, the T1 status log
either prints out on an optional printer or is displayed on an optional video display terminal (VDT). A
user can also view the T1 status log from an LCD speakerphone by programming a system status button.
Also, programmers can arrange the system to alert the system attendant whenever a major alarm alerting
condition occurs by activating an external, customer-supplied audible or visual alarm. The external alarm
connects to one of the relay jacks (J3 or J4) on the front of the DXCPU board. Installers must make sure
the alarming device complies with system voltage and power requirements. Programmers determine when
a major alarm alerting condition should occur by programming threshold values and corresponding time
periods for each type of alarm caused by a transmission error. Whenever the threshold value is reached
within the programmed time period, the selected relay on the DXCPU board is activated by the board’s
circuits, which in turn, activates the external alarm. The system attendant can turn the alarm off from any
specified station by dialing a feature code.
Pad Level—Transmit, Receive
(Gain And Attenuation Settings For Line Transmit And Receive)
This feature enhances the T1–E1 digital carrier transmission option, the pad level programming feature
adjusts voice levels for both the transmit and receive circuits in the individual channels.
The choices include: Gain 2, Gain 1, Nominal, Loss 1, Loss 2, Loss 3, Loss 4, and Loss 5. These settings
provide an approximate +6 to -15 dB range of choices. Starting at the Nominal setting, each gain level
represents an approximate 3 dB amplification of the signal level from the previous setting, and each loss
level represents an approximate 3 dB attenuation of the signal level from the previous setting. Because
digital transmission does not lose volume level as readily as analog transmission does, it is likely that the
receive level may be noticeably higher when using the E1 option. Therefore, you may need to select a low
setting such as Loss 2 for the voice level receive parameter when programming this feature for E1 lines
that are being used exclusively for voice transmission. Further, if you choose a setting to increase the
receive gain, you should carefully examine speakerphone operation. It is possible to select a receive gain
that will, under certain conditions, interfere with proper speakerphone operation.
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							TAP (Flash)/Recall
When host system custom calling features are available via a hook-flash signal while on line, the TAP
button functions as a hook-flash button and generates a flash signal when the user presses it.  When
custom calling signals are not available, the TAP button functions as a positive disconnect and recalls dial
tone when the user presses it.  These features are mutually exclusive. The programmer sets the desired
function for the system by programming action. With single–line proprietary telephones, the Tap
function works for internal transferring only. An access code is required to activate custom calling
features
Telephony Services Application Programming Interface (TSAPI) Support
The DXPPlusprovides support for TSAPI applications. These applications are Novell Telephony
Services* applications developed by third-party software vendors. TSAPI applications run independently
of the DXPPlusyet use its digital communications capability. The DXP Plus’ Enterprise open
architecture interface (OAI) data port provides the hardware interface for the personal computer (PC) that
runs the TSAPI software program. Depending upon the TSAPI application and its functions, there may or
may not be a need to reprogram the DXPPlus’ database feature parameters.
*Novell, Novell Netware, and Novell Telephony Services are registered trademarks of Novell Inc. Orem, UT
Through Dialing
An installer can connect external telephony equipment to the DXPPlusthrough a proprietary interface
device or through an IST port. When the programmer enables the through dialing feature, DTMF tones
that the external device generates pass through the interface equipment, the DXPPlussystem, and any
line connection. Also see the paragraph titledOff Premise Extension.
Time And Date
The time designation will accept either a 12- or 24-hour format. Time and date appear on the LCD
speakerphone and the SMDA/SMDR record printout.
Timed And Immediate Recall
If a telephone user places a call on hold and fails to pick it back up within a preprogrammed time, the call
rings the user’s telephone again. While only the telephone that put the call on hold rings, all other
telephones that share call appearance will flash the light for the held call at a hold recall rate.
Recall to an originating station also occurs from unanswered parked calls, transferred calls, and calls that
are camped-on. Plus, unanswered calls (ring no-answer calls) recall to the attendant or other
preprogrammed designation after exceeding a preprogrammed time-out period.
Any transfer attempt that fails will cause the held call to recall immediately. Examples of failed transfer
attempts are calling any of the following:
- non-existent extension
- partial extension number
- invalid extension number
A calling party continues to hear music on hold (if provided) throughout the recall sequence.
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