Comdial Dxp Correspondance Instructions Manual

							8.18
Voice Mail ID
8.19
DISA and DISA
Voice OptionsYou can assign an identification number to each line so that the
voicemail system can provide customized call handling on a per-line
basis. Use voice mail system programming to match this ID number to
~  a particular personal directory or transaction box within the voice 
,mailsystem. When the DXP routes a call that is ringing at a particular line
to the voice mail system, it routes it with the ID number. The voice
~  mail system then sends the call to the box that corresponds to the
line’s ID number. You can use voice mail system programming to
construct customized answering prompts for the individual boxes.
This allows the DXP lines to be answered in a customized manner by
the voice mail system’s automatic attendant. Refer to Section 15.6 for
complete voice mail programming details.
These features enable or disable DISA capability on each line. Use the
DISA Voice options 1 through 4 to select digital voice announce
(DVA) messages (see sections 8.25 and 8.26 for complete DISA and
DVA information). You must set Disconnect Supervision to yes for
DISA lines.
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							Line Programming
DXP Correspondence Manual
8.20Use this procedure to group similar type line ports together for dial-upLine Groupaccess. There are a maximum of 16 different line groups available.
ProgrammingDuring operation, the system searches for an idle line in the line group
in the same order that you program them using this procedure.-
8.21Program some or all line ports to have the same programming as a
Copy Model Linemodel line port. Note that the line name does not copy. Make sure to
use the most typical line as your model.
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							8.22
Direct Inward
Dialing (DID)
supportThe DID line board (DXPCO-DD4 and DDS) allows incoming CO
calls to reach internal DXP intercom extensions by direct dialing. No
attendant assistance is necessary. Since DID lines are incoming only,
their direct appearance is limited to attendant stations where status
indication may be useful. DID operation requires a group of published
directory numbers (400 maximum) provided by the telephone
company central office (CO). These directory numbers are incoming
only and the DXP translates them to the appropriate personal or group
intercom number for ringing. The lines will accept outgoing DTMF
digits during a call to support personal identification number dialing
and similar uses.
The DXP handles DID calls in the same manner that it handles regular
intercom calls and will forward them via a hunt list or a call
forwarding scheme. An unanswered DID call will either continue to
ring or route to a programmed ring no-answer (RNA) destination. If
neither forwarding nor RNA is available, the system provides no
routing.
The system returns a 
ringback signal to DID callers when a called
station is in the do not disturb (DND) mode. The system returns an
off-hook indication to the CO when a DID line is disabled. The DXP
synchronized ringing feature does not have any affect on DID calls,
and the Caller ID feature is not available.
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							Line ProgrammingDXP Correspondence Manual8.23
DID OptionsDID/DNIS Block NameChoose a 7-character name to associate with each 
DID/DNIS block.
DID Control Signaling
IDecide upon which address supervision signaling protocol that you
will use. This decision will depend upon the type of supervision that is
compatible with the CO requirements.
Immediate Start: Use this protocol for rotary (pulse dial) lines. With
this protocol, the CO will not expect address supervision signaling and
may begin pulsing the dialing digits as soon as 65 msec. after it
connects to the line.
Wink Start: With this protocol, the CO will expect address
supervision signaling. After the CO connects to the line, the DXP will
reverse the polarity of the line for a period of 200 
msec when it is
ready to receive digits (that is, the DTMF receiver is available for tone
dial lines). This “wink” signal indicates to the CO that the DXP is
ready to receive incoming digits. After the wink occurs and the line
polarity returns to normal, the CO will begin sending the dialing
digits. If the CO does not see the wink within 4 to 8 seconds (heavy
traffic timings), it may route the call to network reorder or retry the
call on another line. Typically, a CO will try to dial two times. A
second failure will result in network reorder. Wink start protocol is the
best choice for its combination of integrity checks and retrial
capabilities.
Delay Start: With this protocol, the CO will expect address
supervision signaling. Approximately 100 msec. after the CO connects
to the line, the DXP will reverse the polarity of the line for a period of
at least 140 msec. It will hold this reversal until it is ready to receive
incoming digits. At that time, it will return the polarity to normal.
After the line polarity returns to normal, the CO will begin sending the
dialing digits. If the CO does not see the line polarity return to normal
within 4 to 8 seconds, it will route the call to network reorder. There is
no requirement for the CO to retry failures on lines with delay dial
signaling.
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							Expected CO DigitsObtain a block of numbers for use from the CO.The DXP supports a
maximum of 400 numbers (for example, 
5551000 through
555-l 399). You can have a maximum of four DID blocks with each
DID block using its own name, signaling protocol, digit addressing
method and number of digits needed to avoid numbering conflicts. As
a default, the system assigns all DID lines to block one. A DID block
represents a group of lines that the system will use to receive calls for
one or more CO directory number blocks.
NOTE: You will derive maximum user convenience 
ifyou choose
the CO block to match the intercom numbers that you haveassigned to the DXP system. (For example, if your
intercom numbers are 1000 - 1399, they would match the
sample CO block.)Determine the quantity of unique digits in the string that you expect to
receive from the CO. The number of digits expected should be large
enough to avoid numbering conflicts within a DID block and provide
future growth. In the case of the CO block mentioned above, the
quantity of unique digits is three to cover 1000 through 1399. If 
theCO block was 555-l 100 through 555-l 192, the string quantity would
be two to cover 00 through 192.
Dialing ModeBased upon the system’s expected incoming call volume and
recommendations and requirements of the CO, determine whether the
CO will send address digits by 
DTMF tones or by loop pulse (rotary)
dialing. (Always choose DTMF tones if possible.)
ANI DeliveryEnable or disable the DXP to process AN1 information that is
delivered by the long distance common carrier as a 
Tl feature on dial
800 and dial 900 lines. Refer to Section 8.7.4 for details about the AN1
feature.
DISA Voice OptionsUse 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 DID line is covered by DVA. Refer to
Section 16 for complete DVA programming details.
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							Line Programming
DXP Correspondence ManualDID Alternate RoutingUse this procedure to select an attendant station to serve as an .
alternate routing station. The system will route DID calls to this
station if it cannot find the digits it receives from the CO in the
translation table. The system will ring this station with a distinctive
ring tone or pattern that you program. If you do not select an attendant
station with this procedure, the system routes the call to the dial 0
station. If the dial 0 station is not available, the system returns a
reorder tone to the caller.
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							DXP Correspondence ManualLine Programming8.24
DID/DNIS
Translation
TablesWhen you initialize a translation table, you must first enter the string
of CO digits that you obtain from the telephone company. Then you
must enter the intercom number that you want to match with the first
CO digit sequence in the string. With this feature, the system .
automatically matches the remainder of the CO digit string to
consecutive intercom numbers beginning with the one that you
entered. You can edit the translation table by selecting the item
number for each entry and making the changes that you deem
necessary. The translation table includes the following listed items:
CO Digit String: This is the actual string of digits expected from the
CO. Within a table, each CO digit sequence in the string must be
unique. While each CO digit sequence must have an assigned
extension number, you can assign the same extension number to
several CO digit sequences if you wish.
Name: As an option, you can enter a seven character name for each
CO digit sequence in the string. If you assign a name, the system will
use it for LCD display during signaling.
Day Number: This personal or group intercom number is the one that
the system will ring when a 
DID/DNIS call arrives through the
matching CO digit sequence during normal or daytime operations.
DIlXDNIS will not support Delay Ring, Day 1 ring, or Day 2 ring
modes.
Night Number: As an option, you can assign a personal or group
intercom number that the system can ring when a 
DID/DNIS call
arrives through the matching CO digit sequence during night transfer
(of ringing) operations.
Ring Code: As an option you can choose one of eight distinctive
ringing codes for each CO digit sequence in the string. Remember, the
proprietary analog telephones provide only four distinctive ring
possibilities.
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							Line ProgrammingDXP Correspondence Manual8.25
DirectInward
System Access
(DISA)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 are normally available only to inside callers.
.NOTE: It is possible to use the automatic route selection (ARS)
feature (section 12) along with the DISA feature to routeDISA calls that pass through the system. If you enable this
application, you may need to add pauses in the ARS modify
digits table to account for the time delay the systemexperiences 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 toobtain a CO dial tone when using the DISA feature. You
can then adjust the system timing pause time or add
multiple pauses to 
ofiset this delay.
DISA Specific ProgrammingThe 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 lockout time (the amount of time that the line
remains locked-out from use after 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
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							DXP Correspondence ManualLine Programming
8.26
Enabling Or
Disabling 
DISA
LinesUse the following programming instructions to enable or disable
DISA capability on lines 1 through 128. Also, use the DISA Voice
Options 1 through 4 to select digital voice announce @VA) 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 15.4 for complete DVA programming details.
I
Programming DISA Authorization Codes
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 accompanying intercom numbers. See
the following paragraph, Remote COS Programming, for information
on assigning a station class of service to the intercom numbers.
Remote COS ProgrammingDISA 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 Programming DISA Authorization Codes procedure described in
the previous paragraph.
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							Line ProgrammingDXP Correspondence ManualChapter Eight
Review1. You can name a line with up to 20 alpha numeric characters;
true or false?
Questions.
2. Ground start lines are beneficial for what reason?
3. Ports three and four of any multipurpose line board can be used
for E 
& M tie lines; true or false?
4. DID lines are outgoing only; true or false?
5. Once you program a line as private, the user cannot take the
line out of privacy mode; true or false?
6. The abandon hold release time is either
ormsec.
7. There are a total of
assignment.toll groups available for line
8. There are a maximum of
DXP.line groups available on the
9. The DID provides three types of control signaling: wink start,
delay start, and
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