Comdial Dxp Plus Instructions Manual

							LOOD Start Line SumortDescription:The multipurpose line board provides system interface for loop start lines, ground start lines,
and E and M tie lines. These are typically the three different line types that the central office
(CO) makes available for connection to the public switched network. With the loop start line
type, the DXP Plus bridges a resistance across the tip and ring leads to signal the CO to
establish a communications link for an outgoing call. The CO detects the resulting current flow
and supplies dial tone to the DXP Plus. The CO signals an incoming call to the DXP Plus by
placing an alternating voltage (ring signal) on the tip lead for the DXP 
Plus to sense. The DXP
Plus then generates ringing to the station being called. When a station answers the ringing, the
circuit is completed as it was for outgoing calls. Loop start lines can not provide any sure
means of determining when a distant party hangs up his or her telephone. For a system that
experiences moderate incoming and outgoing call volume and does not cost calls, loop start
lines provide an economical choice for connecting the DXP 
Plus to the central office (CO)
equipment. When you use line 1 for the power-fail mode, you must program that line to be a
loop-start line unless the industry-standard telephone that you use as a power-fail station is a
ground-start device.
With loop start lines, set the following feature parameters:
- Dialing Mode- Abandon Hold Release- Positive Disconnect Time
- Toll Groups- DTMF Level- Busy Lead
- Disconnect Supervision- Caller ID Active- Voice Mail ID
- Line Group
Programming:
1.Press CONTROL T for main menu.
2.From the main menu, select lines and press ENTER.
3.From the lines menu, select line programming and press ENTER.
4.Type line port number l-240 or previously assigned name and press ENTER.
The system displays page 1 of the line programming menu.
5.From menu page 1 of line programming menu, type item number for line type
and press ENTER.
6.Press SPACE bar to toggle line type (choose loop start, ground start, or E and M tie line)
and press ENTER.
7.From menu page 1 of line programming menu, type item number for another line
parameter, press ENTER.
8.Press SPACE bar for feature setting, and press ENTER to accept setting.
9.From menu page 1 of line programming menu, repeat steps 8 and 9 for all required choices.
10. Press CONTROL and type N and the system will display the menu page 2 of line
programming menu.
NOTE: The programming items shown on menu page 2 are for the line port type 
that you
selected in step 7. These items will be different for each line type.
11.From menu page 2 of line programming menu, type item number for feature
and press ENTER.
12.Press SPACE bar for feature setting, and press ENTER to accept setting.
13.From menu page 2 of line programming menu, repeat steps 11 and 12 for
all required choices.
14.When finished, press ESCAPE twice.
15.Type y to accept changes, n to reject them, or r to resume editing and press ENTER.
16.Repeat steps for each line port or press ESCAPE to end.
Line Features Programming 8-23 
						

							IM166-123DXP Plus Programming hstruetions8.7
Pie Line Support
The multipurpose line board provides system interface for loop start lines, ground start lines, and E and M tie
lines. These are typically the three different line types that the central office (CO) makes available for connection
to the public switched network. The tie line connections (also known as tie trunk access) are special circuits that
allow, on either a dial-up or a continuous connection (hot line) basis, the DXP 
Plus to communicate with remotely
located equipment such as: another DXP 
Plus, a PBX, or other common carrier (OCC) equipment for long
distance calls.NOTE: Tie lines are primarily for incoming calls to a 
DXP Plus and depend upon sofiare controlling
the remote site.
Tie lines can be a part of a private or leased network and can be metallic, carrier current, Tl, or microwave. The E
and M line provides control signalling between local and remote systems. When a local DXP 
Plus puts a request
for service on the M lead, the remote equipment detects this request on its E lead. As an option it can also respondby putting an alerting signal on its M lead.
8.7.1Tie Line Paramefers
Tie Line Types (Connect Mode)
Description:The DXP Plus supports two different types of E and M lines.The E and M Direct type is for
direct connection between two telephone systems and is also known as a metallic connection.The E and M Carrier type is for tie lines that run through a central 
off%ze (CO) interface;
however, some 
COs also provide a metallic connection interface.
Programming:Refer to Section 8.7.2.
Tie Line Standard-Protocol Signalling (Control Signalking)
Description:
The system can respond to either one of three different standard-protocols of E and M signalling. They are knownas: immediate signalling, wink signalling, and delayed signalling. You must program the desired protocol type to
match that provided by the CO or the remote equipment.
Immediate Signalling: With this signalling method, the called DXP Plus answers as soon as the calling DXPPlus initiates the call. This signalling method is usually used if the line is programmed for hot line operation or is
programmed for pulse dialing. It is best to avoid this type of signalling in any other circumstances.
Wink SignaIling: With this signalling method, the called DXP Plus places a momentary signal reversal (wink) onits M lead to alert the calling DXP Plus system that it is ready to receive information The calling DXP Plus
controls the status of the M lead and watches for a return signal from the called DXP Plus on the E lead. A wink
occurs when the called DXP 
Plus is ready to receive dialed digits from the calling DXP Plus. Dialing can begin
only after the wink is complete. After the wink occurs, the called DXP 
Plus (if it is programmed for dialing)returns dial tone to the calling DXP Plus as an indication it is ready to receive digits. This signalling method is
the preferred protocol for use between two DXP Plus systems.Delayed Signalling: With delay dial signalling, the called DXP Plus immediately responds to the calling DXP
Plus by sending an off-hook signal on its M lead. It holds this off-hook condition until it is ready to receive digits
and then returns its M lead to on-hook. After this signal exchange occurs, the called DXP 
Plus (if it is
programmed for dialing) returns dial tone to the calling DXP 
Plus as an indication it is ready to receive digits.
This signalling method is most useful if the DXP 
Plus is connected to another manufacturer’s PBX with
incompatible wink timing parameters.Programming:
Refer to Section 
8.7.2.8-24 Line Features Programming 
						

							DXP Plus Programming Instructions/M/66-123Tie Line Non-Standard Protocol 
Signalling (Line Access)
Description:
You can program the system to respond to two types of non-standard tie line signalling
protocols. They are known 
as hot line and intercom dialing.
Hot Line: You can program the system for hot-line operation so that as soon as a user accesses
the tie line, the station or stations at the distant system that have access to the personal or group
intercom assigned to the hot line will ring. If you arrange for access by hot line, you must enterthe extension that will automatically ring when the tie line is seized by the calling DXP 
Plus. If
you do not enter an extension, the system will ring the dial 0 station, and if it is unavailable, the
system will return dial tone to the caller.
Intercom Dialing: Alternately, you can program the system for intercom dialing mode so that
as soon as users access the tie line they will hear dial tone. Upon hearing dial tone, they can
dial either a personal or group intercom number at the distant system.,NOTE: Intercom feature codes of one DXP Plus are not available to callers from the other DXP
Plus nor can those callers access a line through the distant DXP Plus using line group
access codes.
Programming:
Refer to Section 8.7.2.Line Features Programming 6-25 
						

							Automatic Number Identification (ANI) Delivery
Description:
Automatic Number Identification (ANI) is a Tl service feature for both E&M and DID lines.
Long distance common carriers offer 
ANI as a feature to dial $00 and dial 900 lines. The ANI
feature provides information to an internal telephone system that identifies the telephone
number of the calling party. Businesses served by a dial 800 or dial 900 service allow any
available user to answer the calls and have their internal telephone system process the 
ANI
information to identify the caller’s telephone number.
The common carrier supplies 
ANI information as DTMF digits. When the ANI feature is
combined with the Dialed Number Identification Service (DNIS) feature, the common carrier
also delimits the DNIS information from the 
ANI information with an asterisk (%) tone so that
the DXP 
Plus can process each portion properly.
The DXP 
Plus system decodes the AN1 information and sends the caller’s number to the called
telephone and to the 
SMDRKMDA line reports. If the called telephone is an LCD
speakerphone, its display shows the caller’s number. This display is shown for all conditions
(that is, transferred calls, call forward and so forth). The DXP 
Plus also sends the calling
number information to the 
SMDR/SMDA line report and makes the information available to
devices that are connected to the DXP Plus’s 
Bpen Architecture Interface @AI).
When you assign 
ANI to lines that callers reach by diahng access codes, the DXP P&us
processes all incoming digits as AN1 digits until it encounters the delimiter. The DXP Plus then
processes the remainder of the incoming digits as DNIS call routing digits. When you assign
ANI to lines that callers reach without dialing any digits (such as, E&M hot line or DID lines
with 0 digits expected), the DXP 
Plus processes all incoming digits as ANI digits until it
encounters the end delimiter. The DXP 
Plus then routes the call to one of the followingintercom
numbers: the one that services the E&M hot line number, the one that serves as the 
DID/DNIS
default, or the one that serves as the operator for the system.
The DID, E&M DNIS, and E&M tie lines all can access the Direct Inward System Access
(DISA) feature when the caller dials the DISA access code or when the 
DID/DNIS digits
translate to the DISA access code. The system distinguishes the DISA code from the preceding
AN1 information.
Since the DXP 
Plus supports AN1 only on tone dial lines, is supports both wink start and delay
start protocols but does not support the immediate start protocol.Programming:
Use the Section 8.7.2 procedure to enable DXP Plus processing of ANI information for tie lines
and program the tie line attributes.
8-26 Line Features hogfamming 
						

							Call Announce
Description:This feature, when enabled, allows tie line callers from outside the system to voice announce
incoming calls to the DXP Plus station after they hear an alert tone. You must also arrange the
DXP Plus system to respond to voice announce intercom calls.
Programming:Refer to Section 8.7.2.
Dialing Mode
Description:Program the tie line to match either a DTMF tone or a rotary (pulse) dialing line as supplied by
the central office (CO).
Programming:Refer to Section 8.7.2.
Toll Groups
Description:You must identify the tie lines that you do not want users to use when they dial toll restricted
numbers. Do this by first assigning the tie lines to toll groups and then assigning those toll
groups to the restricted number. There are 32 toll groups available for line assignment. Assign
one, several, or all lines to any desired toll group or combination of toll groups as needed. See
Section 
II for complete toll restriction programming details.
Programming:Refer to Section 8.7.5.
DTMF Level
Description:Adjust the audio level of the tie line’s DTMF signals to a low (-5 db), medium (0 db), or high
(+3 db) setting. Certain sites may require a higher db level to over come line conditions that
could interfere with reliable dialing.
Programming:
Refer to Section 8.7.2.
DISA
Description:Enable or disable DISA capability on the tie line.
Programming:Refer to Section 8.7.2.
DISA Voice Options
Description:Use the DISA Voice Options 1 through 4 to select digital voice announce (DVA) message
levels. For example, selecting DISA voice option 2 will cause welcome greeting 2, day main
menu 2, night main menu 2, recall no answer 2, and recall busy 2 prompts to play whenever a
DISA-configured tie line is covered by DVA. Refer to Section 14.3 for complete DVA
programming details.
Programming:Refer to Section 8.7.2
Line Features Programming 8-27 
						

							/M/66-123DXP Plws Programming hsfrwcfions
8.7.2Tie Line Support Programming
Programming:1.Press CONTROL T for main menu.
2.From the main menu, select lines and press ENTER.
3.From the lines menu, select line programming and press ENTER.
4.Type line port number l-240 or previously assigned name and press ENTER.
The system displays page 1 of the line programming menu
5.From line programming menu, type item number for line type and press ENTER.
6.Press SPACE bar to toggle line type and press ENTER.
7.From line programming menu, type item number for another line parameter, press ENTER,
8.Respond to screen prompt action for feature setting, and press ENTER to accept setting.
9.Repeat steps 7 and 8 for all required parameter choices.
10. Press CONTROL and type 
N and the system will display the menu page 2 of line
programming menu.
NOTE: The programming items shown on menu page 2 are for the line port type that you
selected in step 
7. These items will be different for each line type.
11 0From menu page 2 of line programming menu, type item number for feature
and press ENTER.
12.Respond to screen prompt action for feature setting, and press ENTER to accept setting.
13.Repeat steps 11 and 12 for all required parameter choices.
14.When finished, press ESCAPE twice.
15.Type y to accept changes, n to reject them, or r to resume editing and press ENTER.
16.Repeat steps for each line port or press ESCAPE to end.
8-28 Line Features Programming 
						

							DXP Plus Programming Instructions/M/66-123
8.8Direct Inward System Access (DISA) Programming
Through the DISA programming routines, you can configure a system to allow outside callers to call directly into
the system. DISA callers can dial authorization codes that allow them to use the system’s features that arenormally available only to inside callers.
NOTE: It is possible to use the automatic route selection (ARS) feature (Section 12) along with the DZSA feature
to route DZSA calls that pass through the system. Zf you enable this application, you may need to add
pauses in the ARS 
modtfj digits table (Section 14.4.4) to accountfor the time delay the system experiences
in obtaining the CO dial tone. The amount 
of time delay varies for each installation; therefore, you must
test your installation to determine the time required to obtain a CO dial tone when using the DZSA 
feature.
You can then adjust the system timing pause time or add multiple pauses to o$set this delay.
8.8.1DISA Cofigura tion (DISA Specific Programming)
Description:The purpose of the DISA specific programming is to perform the following tasks:
- Enable extensions where day/night DISA calls will be routed when call-routing is necessary,
- Enable proprietary voice mail to receive DISA calls and route the calls to a dedicated mailbox
that holds the appropriate intercept greetings,
- Select access Iockout time (the amount of time that the line remains locked-out from useafter invalid conditions occur-such as, when a caller repeatedly dials an invalid
authorization code),
- Select the timeout period for DISA extensions that ring without answer (RNA),
- Select the maximum timeout period for the reminder tone that sounds during an in-process
call when the DISA caller is using an outside line and the system has no disconnect
supervision. This tone sounds at set intervals to remind the caller that he or she must dial
a code (any single digit) or be disconnected within 10 seconds,
- Select the option to either route a DISA call or drop it after caller dials an invalid
authorization code
Programming:1.Press CONTROL T for main menu.
2.From main menu, select Lines and press ENTER.
3.From the lines menu, select DISA configuration and press ENTER.
4.From the DISA configuration menu, select Day Routing Extension and press ENTER.
5.Type day routing extension number and press ENTER.
6.Type night routing extension number and press ENTER.
7.Type voice mail Routing ID (up to eight digits) and press ENTER.
8.Toggle the SPACE bar to select access lockout times (2,5, 10, 15,30 minutes)
and press ENTER.
9.Type the ring no answer (RNA) rings of 0 through 9, and press ENTER.
10. Toggle the SPACE bar to select Maximum Reminder Timeout periods of 
(2,5, 10, 15,30
minutes) and press ENTER.
11. Toggle the SPACE bar to select Route or Drop from Route/Drop Invalid Access field and
press ESCAPE twice.
12. Type y to accept changes, n to reject them, or r to resume editing and press ENTER.
13. Press ESCAPE to end.
Line Features Programming 6-29 
						

							/M/66-123DXP Plus Programming Instructions
8.8.2Enabling Or Disabling DISA LinesDescription:
Programming
Use the following programming instructions to enable or disable DISA capability on lines 1
through 240. Also, use the DISA Voice Options 1 through 4 to select digital voice announce
(DVA) messages. For example, selecting DISA voice option 2 will cause welcome greeting 2,
day main menu 2, night main menu 2, recall no answer 2, and recall busy 2 prompts to play
whenever a DISA line is covered by DVA. Refer to 
section 14.3 for complete DVA
programming details.
1 ePress CONTROL T for main menu.
2.From main menu, select lines and press ENTER.
3.From the lines menu, select line programming and press ENTER*
4.Enter line number you want to program and press ENTER.
5.From the line (number) programming menu (page 2), select DISA and press ENTER.
6.Toggle the SPACE bar to select/deselect DISA and press ENTER.
7.Enter 1 through 4 for the DISA Voice Options and press ESCAPE twice.
8.Type y to accept changes, n to reject them, or r to resume editing and press ENTER.
9.Enter the number for the next line you want to program or press ESCAPE to end.
8.8.3Programming DISA Authorization CodesDescription:
DISA callers with assigned authorization codes have access to advanced system features.
Authorization codes are associated with either personal or group intercom numbers; therefore,
when a DISA caller enters his or her authorization code, the code alerts the system as to what
features to make available to the caller. Once callers access features with authorization codes,
the access remains in effect until any idle time exceeds the authorization code time-out period.
Use this programming procedure to assign or modify authorization codes and to tie the
authorization codes to 
accompaning intercom numbers. Use the Section 8.8.4 procedure to
assign a station class of service to the intercom numbers.Programming:
1.Press CONTROL T for main menu.
2.From main menu, select SMDABMDR and press ENTER.
3.From SMDAKMDR menu, type item number for authorization codes and press ENTER.
4.From authorization code menu, type line number to add, remove, or modify authorization
codes and press ENTER.
5.Type authorization code (up to 6 digits) and press ENTER.
NOTE: You can include a programmed pause as part of the authorization code by typing a p at
the point in the code where you wish a pause to occur. 
If you include a pause, a user
must wait the programmed pause time at the proper point when he or she dials the DLSA
authorization code because the pause is now part of the code.
6.If adding or modifying a code, type intercom number that it is associated
with and press ENTER.
7.When finished, press ESCAPE once.
8.Type item number to display authorization codes for review and press ENTER.
9.When finished, press ESCAPE to end.8-30 Line Features Programming 
						

							DXP Plus Programming Instructions/M/66-123
8.8.4Remote COS ProgrammingDescription:DISA callers that have assigned authorization codes have access to advanced system features.
The features that they have access to are controlled by the station class of service that you
assign with this programming procedure. The intercom number that is associated with this
remote COS assignment is the same intercom number that is associated with the caller’s DISA
authorization code that you set using the Section 8.8.3 procedure.
Programming: 1.
2.
3.
4.
5.
6.
7.Press CONTROL T for main menu.
From main menu, select Intercom number and press ENTER.
From Intercom menu, select Modify Intercoms and press ENTER.
Enter intercom number and press ENTER. (Remember, this is the intercom number
that you set in Section 8.8.4 to correspond with the DISA authorization code.)
Select Remote COS and press ENTER.
Enter station class of service number l-32 and press ESCAPE twice.
Type y to accept changes, n to reject them, or r to resume editing and press ENTER.
8.8.5Remote Day Exception Number/Night Exception NumberDescription:A DISA caller may have access to an outside line where the toll restriction is based on the
DISA authorization code that is associated with a particular class of service. Remote day and
night exception numbers allow DISA callers to dial numbers that their toll restriction normally
prevents them from dialing. If a toll restriction table exception number matches one of the
exception numbers that you assign using this procedure, the DISA caller is allowed to dial the
number.
The exception number values that you can assign are 1 through 32 and NONE. You can assign
32 exception numbers to each DISA class of service. You also must assign one exception
number to each toll restriction table line entry (Section II. 7).
Programming:1. Press CONTROL T for main menu.
2. From main menu, select stations and press ENTER.
3. From stations menu, select COS programming and press ENTER.
4. Type class of service number (l-32) and press ENTER.
5. From COS programming menu, type item number for day exception number
and press ENTER.
6. Type day exception number (O-32) (n, nn, n-nn, or 0 for none) and press ENTER.
7. Repeat step 6 for night exception number.
7. When finished, press ESCAPE twice.
8. Type y to accept changes, n to reject them, or r to resume editing and press ENTER.
9. Repeat steps 4-8 for each COS or press ESCAPE to end.
Line Features Programming 6-31 
						

							DXP Plus Programming Instructions/M/66-123
Programming Intercom Numbers
o Understanding Station Numbering............9.1l Modifying Intercom Numbers...............
9.2l Adding Intercom Numbers................
9.3l Removing Intercom Numbers...............
9.4l Renumbering Intercom Numbers.............
9.5
3
AtoZ KELLATRONICS, INC,
Intercom Number Programming 9-1