Samsung DCS-816 Owner's manual

General Description
(for Europe)
DCS-816

Programming Manual
DCS-816

SAMSUNG Programming
DCS-816 February, 1999
i
TABLE OF CONTENTS
PART 1 INTRODUCTION TO PROGRAMMING ........ 1–1
1.1 PROGRAMMING OVERVIEW.............................................. 1–1
1.2 PROGRAMMING LEVELS.................................................... 1–1
PART 2 PROGRAMMING PROCEDURES ............... 2–1
2.1 PROGRAM LIST................................................................. 2–1
2.2 PROGRAM PROCEDURES .............................................. 2–2
2.3 DEFAULT DATA................................................................ 2–3
2.4 SPECIAL APPLICATIONS................................................. 2–8
VOICE MAIL/AUTO ATTENDANT INTEGRATION ........... 2–9
INDIVIDUAL STATION PAGE ......................................... 2–11
CALLING LINE INDICATION PRESENTATION (CLIP)... 2–12
TOLL RESTRICTION (CALL BARRING) OVERVIEW..... 2–14
PART 3MMCs (IN NUMERICAL ORDER)

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CAUTION
This manual describes standard settings. Some MMC codes and default
data may be different from those shown depending on the country
selected in MMC 812.

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PART 1 INTRODUCTION TO PROGRAMMING
1.1 PROGRAMMING OVERVIEW
The DCS-816 system arrives from the factory with default data. Connect it to
trunks, stations and power, turn the system on and it is fully operational. The only
thing left to do is customise the data to fit the customer’ s needs. This is called
programming the system.
MMC stands for Man Machine Code and each program is assigned a different
three-digit code (e.g. 100). These MMC codes are used to view, create or change
customer data. Programming is simply deciding what needs to be done and
knowing which MMC is used to do it. For example: use MMC 601 to create a
station group; enter system speed dial numbers in MMC 705; and assign soft
keys to individual keysets using MMC 722.
System programming may be done from any LCD 12B or 24B keyset. The first
thing you must do is open system programming. As a security measure, a
passcode must be known to do this. Figure 1–1 shows the keys on a display
keyset that have special functions during programming.
1.2 PROGRAMMING LEVELS
There are three levels of programming: technician (or system), customer and
station. Technician and customer levels are under passcode protection while
station programming does not require a passcode.
To prevent conflicting data from being entered, only one person at a time can
enter programming with the technician or customer passcode. While
programming is in progress, normal system operation is not affected. For your
convenience, the system displays [xxx PGM MODE] when another keyset is in
programming mode.
A. Technician (System) level
This level is entered via MMC 800 and requires the technician’ s passcode. It
allows access to all system programs, station programs and maintenance
programs.
B. Customer level
This level is entered via MMC 200 and requires the customer passcode. It allows
access to station programs and system programs permitted by the technician in
MMC 802. When using the customer passcode to access station programs, data
for all stations can be viewed or changed.
C. Station level
All keysets can access station programs 102–121 without using a passcode.
Each user can only change station data for his/her own keyset.
When an LCD 12B or 24B keyset is in programming mode, the display shows
instructions, prompts and choices. Existing data is always displayed before it can
be changed. The keystroke sequence for each MMC is detailed in the following
pages.

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LEFT
SOFT
RIGHT
SOFT
DIAL PAD
However, before you begin entering customer data:
IMPORTANT
When installing this system, and before doing any other programming, use MMC
812 first to select your country code and to reset and clear memory. This will
ensure that you begin with clean, default data.
Remember that to begin programming using an MMC you must press the TRSF
key. When you have finished entering data for an MMC and wish to program
another MMC, press the SPK key to store the data and advance to the next MMC.
To end programming you must press the TRSF key again to store the data and
exit programming.
Now begin entering customer data.
FIGURE 1-1
SPECIAL KEY FUNCTIONS
113
214
315
416
517
618
7A
8B
9C
10 D
11 E
12 F
PQRS
WXYZ

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PART 2 PROGRAMMING PROCEDURES
2.1 PROGRAM LIST
100: STATION LOCK 401: C.O./PBX LINE
101: CHANGE USER PASSCODE 402: TRUNK DIAL TYPE
102: CALL FORWARD 403: TRUNK TOLL CLASS
103: SET ANSWER MODE 404: TRUNK NAME
104: STATION NAME 405: TRUNK NUMBER
105: STATION SPEED DIAL 406: TRUNK RING ASSIGNMENT
106: STATION SPEED DIAL NAME 407: FORCED TRUNK RELEASE
107: KEY EXTENDER 408: ASSIGN TRUNK MUSIC ON HOLD
108: STATION STATUS 409: TRUNK STATUS READ
109: DATE DISPLAY 410: ASSIGN DISA TRUNK
110: STATION ON/OFF 414:MPD/PRS SIGNAL
111: KEYSET RING TONE 415:REPORT TRUNK ABANDON DATA
112: ALARM REMINDER 418: CARD RESTART
113: VIEW MEMO NUMBER 419: BRI OPTION
114: KEYSET VOLUME 421: MSN DIGIT
115: SET PROGRAMMED MESSAGE 422:ASSIGN TRUNK COS
116: ALARM AND MESSAGE 423:S/T MODE
119: SET CLIP DISPLAY 424: S0 MAPPING
121:KEYSET LANGUAGE 426:TRUNK GAIN CONTROL
200: OPEN CUSTOMER PROGRAMMING 428: ASSIGN TRUNK/TRUNK USE
201: CHANGE CUSTOMER PASSCODE
202: CHANGE FEATURE PASSCODES 500: SYSTEM–WIDE COUNTERS
203: ASSIGN UA DEVICE 501: SYSTEM–WIDE TIMERS
204: COMMON BELL CONTROL 502: STATION–WIDE TIMERS
205: ASSIGN LOUD BELL 503: TRUNK–WIDE TIMERS
206: BARGE–IN TYPE 504: PULSE MAKE/BREAK RATIO
207: ASSIGN VM/AA PORT 505: ASSIGN DATE AND TIME
208: ASSIGN RING TYPE 506: TONE CADENCE
209: ASSIGN ADD–ON MODULE 507: ASSIGN AUTO NIGHT TIME
210: CUSTOMER ON/OFF 508: CALL COST
211: DOOR RING ASSIGNMENT 510: SLI RING CADENCE
214: DISA ALARM RINGING STATION 512: HOLIDAY
219:COMMON RELAY SERVICE TYPE 600: ASSIGN OPERATOR GROUP
220: ISDN SERVICE TYPE 601: ASSIGN STATION GROUP
300: CUSTOMER ON/OFF PER STATION 602: STATION GROUP NAME
301: ASSIGN STATION COS 603: ASSIGN TRUNK GROUP
302: PICKUP GROUPS 604: ASSIGN INTERNAL PAGE ZONE
303: ASSIGN BOSS/SECRETARY 605: ASSIGN EXTERNAL PAGE ZONE
304: ASSIGN STATION/TRUNK USE 606: ASSIGN SPEED BLOCK
305:ASSIGN FORCED CODE 607: UCD OPTIONS
306:HOT LINE 608: ASSIGN CLIP REVIEW BLOCK
308:
ASSIGN BACKGROUND MUSIC SOURCE
700: COPY COS CONTENTS
309: ASSIGN STATION MUSIC ON HOLD 701: ASSIGN COS CONTENTS
310: LCR CLASS OF SERVICE 702: TOLL DENY TABLE
312: ALLOW CLIP 703: TOLL ALLOWANCE TABLE
314: CONFIRM OUTGOING CALL 704: ASSIGN WILD CHARACTER
315:SET RELOCATION 705: ASSIGN SYSTEM SPEED DIAL
316:COPY STATION USABLE 706: SYSTEM SPEED DIAL BY NAME
317:ASSIGN STATION/STATION USE 707: AUTHORISATION CODE
318: DISTINCTIVE RING 708: ACCOUNT CODE
319: BRANCH GROUP 709: TOLL PASS CODE
400: CUSTOMER ON/OFF PER TRUNK 710: LCR DIGIT TABLE

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711: LCR TIME TABLE 733: AA PLAN TABLE
712: LCR ROUTE TABLE 734: AA MESSAGE MATCH
713: LCR MODIFY DIGIT TABLE 735: AA USE TABLE
714: DIDNUMBER & NAME TRANSLATION 736:ASSIGN AA MOH
715: PROGRAMMED STATION MESSAGE 740: STATION PAIR
716: UK LCR OPTION 800: ENABLE TECHNICIAN PROGRAM
718: MY AREA CODE 801: CHANGE TECHNICIAN PASSCODE
720: COPY KEY PROGRAMMING 802: CUSTOMER ACCESS MMC NUMBER
721: SAVE STATION KEY PROGRAMMING 804: SYSTEM I/O PARAMETER
722: STATION KEY PROGRAMMING 805: TX LEVEL & GAIN
723: SYSTEM KEY PROGRAMMING 806: CARD PRE–INSTALL
724: DIAL NUMBERING PLAN 807: VOLUME CONTROL
725: SMDR OPTIONS 809: SYSTEM MMC LANGUAGE
726: VM/AA OPTIONS 810: HALT PROCESSING
727: SYSTEM VERSION DISPLAY 811: RESET SYSTEM
728: CLIP TRANSLATION TABLE 812: COUNTRY CODE
730:AA RECORD GAIN
731:AA RAM CLEAR
732: AA TRANS TABLE
2.2 PROGRAM PROCEDURES
The instructions for each MMC assume that you have already opened
programming. First, run MMC 812, Country Code, to set your country (e.g UK)
before you do any other programming.
CAUTION
This manual describes standard settings. Some MMC codes and default data may be different from
those shown depending on the country selected in MMC 812.
Helpful hint:
When you are finished programming in MMC codes 100–812 and have other
programming to do, press SPK to exit the MMC but stay in the programming
mode and use one of the following methods.
1. Dial another MMC code directly and continue programming.
2. Press VOLUME UP and DOWN keys to scroll through all MMC codes. When
the desired MMC code is reached, press SPK and continue programming.
Pressing TRSF will always save changes and exit programming mode.

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2.3 DCS-816 DEFAULT DATA
Station Programs
100: STATION LOCK All stations unlocked
101: CHANGE USER PASSCODE All station passcodes = 1234
102: CALL FORWARD None
103: SET ANSWER MODE All keysets ring
Ring frequency default is 5
104: STATION NAME None
105: STATION SPEED DIAL None
106: STATION SPEED DIAL NAME None
107: KEY EXTENDER None
108: STATION STATUS PORT NUMBER: Follows H/W position
TYPE: Follows phone type
PICKUP GROUP: 01
SGR: NONE
BOSS’SECR: NONE
PAGE : NONE
DAY COS NO: 01
NIGHT COS NO: 01
109: DATE DISPLAY COUNTRY: WESTERN
CLOCK: 24 CLOCK
DISPLAY: LOWER CASE
110: STATION ON/OFF AUTO HOLD: OFF
AUTO TIMER: ON
HEADSET USE: OFF
HOT KEYPAD: ON
KEY TONE: ON
PAGE REJOIN: ON
RING PREFERENCE: ON
CALL COST: OFF
111: KEYSET RING TONE SELECTION 5
112: ALARM REMINDER Alarms set to NOTSET
113: VIEW MEMO NUMBER No memos entered
114: KEYSET VOLUME RING VOLUME: 4
OFF HOOK RING VOLUME: 4
HANDSET VOLUME: 4
SPEAKER VOLUME: 13
BGM VOLUME: 13
115: SET PROGRAMMED MESSAGE No messages selected
116: ALARM AND MESSAGE Alarms set to notset
119: SET CLIP DISPLAY Number first
121: KEYSET LANGUAGE ENGLISH

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System Programs
200: OPEN CUSTOMER PROGRAMMING Closed (Disabled)
201: CHANGE CUSTOMER PASSCODE Passcode = 1234
202: CHANGE FEATURE PASSCODES DAY/NIGHT 0000
DISA ALARM 5678
ALARM CLR 8765
AA RECORD 4321
203: ASSIGN UA DEVICE None
204: COMMON BELL CONTROL Continuous
205: ASSIGN LOUD BELL Unassigned
206: BARGE–IN TYPE NO BARGE–IN
207: ASSIGN VM/AA PORT NORMAL PORT
208: ASSIGN RING TYPE ICM RING
209: ASSIGN ADD–ON MODULE MASTER = NONE
210: CUSTOMER ON/OFF DISA PSWD: ON
LCR ENABLE: OFF
PERIUCD SET: OFF
CID CODE INS: OFF
DISA MOH: OFF
TRANSFER MOH: OFF
DSP SSPDNAME: OFF
DDIBSY ROUT: OFF
DDINOT ROUT: OFF
ALL PICK UP: OFF
ARD TONE CHK: ON
VPN ENABLE: OFF
IN TOLL CHK: OFF
211: DOOR RING ASSIGNMENT Station group 500
214: DISA ALARM RINGING STATION DAY 500
NIGHT 500
219: COMMON RELAY SERVICE TYPE External Page
220: ISDN SERVICE TYPE VOICE
300: CUSTOMER ON/OFF PER STATION STN CALL PRT : OFF
FWD DLY USE : OFF
The others set to ON
301: ASSIGN STATION COS Day class = 01
Night class = 01
302: PICKUP GROUPS All stations 01
303: ASSIGN BOSS/SECRETARY None
304: ASSIGN STATION/TRUNK USE DIAL = Yes
ANS = Yes
305: ASSIGN FORCED CODE None
306: HOT LINE None
308: ASSIGN BACKGROUND MUSIC
SOURCE None

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309: ASSIGN STATION MUSIC ON HOLD Tone
310: LCR CLASS OF SERVICE Least Cost Routing COS 1
312: ALLOW CLIP REV YES
SND YES
INFO C.O Tel.
314: CONFIRM OUTGOING CALL None
315: SET RELOCATION None
316: COPY STATION USABLE None
317: ASSIGN STATION/STATION USE DIAL=Yes ANS=Yes
318: DISTINCTIVE RING T=F–STN, C=F–STN
319: BRANCH GROUP None
400: CUSTOMER ON/OFF PER TRUNK 1A2 EMULATE: Off
TRUNK INC DND: Off
TRUNK FORWARD: On
LCR ALLOW: Off
401: C.O./PBX LINE All Trunks C.O. Line
402: TRUNK DIAL TYPE All Trunks DTMF
403: TRUNK TOLL CLASS All Trunks F–STN day/night
404: TRUNK NAME No names entered
405: TRUNK NUMBER No numbers entered
406: TRUNK RING ASSIGNMENT All trunks day : 500
night: 500
407: FORCED TRUNK RELEASE None
408: ASSIGN TRUNK MUSIC ON HOLD
SOURCE Tone
409: TRUNK STATUS READ SEE MMC 409
410: ASSIGN DISA TRUNK All trunks normal
414: MPD/PRS SIGNAL None
415: REPORT TRK ABANDON DATA All trunks will report data
418: CARD RESTART None
419: BRI OPTION CHANNEL ANY: YES
BRI MODE: P–P NOR
DLSEND: OVERLAP
421: MSN DIGIT NONE
422: ASSIGN TRUNK COS DAY CLASS: 01
NIGHT CLASS: 01
423: S/T MODE TRUNK
424: S0 MAPPING None
426: TRUNK GAIN CONTROL RX=0dB, TX=0dB for all trunks
428: ASSIGN TRK-TRK USE DIAL:Yes

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500: SYSTEM–WIDE COUNTERS Alarm Rem Cntr=5
Auto Rdl Counter=5
DISA Call Cntr=99
DISA Lock Cntr=3
New Call Counter=99
UCD Visual Alarm=0
UCD Audio Alarm=0
UCD CS Level 1=0
UCD CS Level 2=0
501: SYSTEM–WIDE TIMERS SEE MMC 501
502: STATION–WIDE TIMERS SEE MMC 502
503: TRUNK–WIDE TIMERS SEE MMC 503
504: PULSE MAKE/BREAK RATIO Make/Break = 33
Pulses Per Second = 10
505: ASSIGN DATE AND TIME Follows software version release
data
506: TONE CADENCE SEE MMC 506
507: ASSIGN AUTO NIGHT TIME None
508: CALL COST UNIT COST PER MP: 200
PENCE
CALL COST RATE: 100%
510: SLI RING CADENCE SEE MMC 510
512: ASSIGN HOLIDAY None
600: ASSIGN OPERATOR GROUP DAY:500 NIGHT:500
601: ASSIGN STATION GROUP SEE MMC 601
602: STATION GROUP NAME None
603: ASSIGN TRUNK GROUP All analogue trunks are in group 9
All digital trunks are in group 80
604: ASSIGN STATION TO PAGE ZONE No stations assigned
All zone is set
605: ASSIGN EXTERNAL PAGE ZONE None
606: ASSIGN SPEED BLOCK System: 200 entries(20 blocks)
Stations: One bin of 10 entries
(1 block)
607: UCD OPTIONS SEE MMC 607
608: ASSIGN CLIP REVIEW BLOCK One bin of 10 entries
700: COPY COS CONTENTS None
701: ASSIGN COS CONTENTS SEE MMC 701
702: TOLL DENY TABLE All entries are set to 0
703: TOLL ALLOWANCE TABLE All entries are set to 0
704: ASSIGN WILD CHARACTER All entries are set to 0
705: ASSIGN SYSTEM SPEED DIAL None
706:SYSTEM SPEED DIAL BY NAME No names
707: AUTHORISATION CODE COS: 01

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708: ACCOUNT CODE None
709: TOLL PASS CODE None
710: LCR DIGIT TABLE SEE MMC 710
711: LCR TIME TABLE All Day 0000: 1
712: LCR ROUTE TABLE 01: 1 C: 1 G: 9 M: 001
713: LCR MODIFY DIGIT TABLE 002: I : 132 003: DEL: 03
714: DID NUMBER AND NAME
TRANSLATION SEE MMC 714
715: PROGRAMMED STATION MESSAGE SEE MMC 715
716: UK LCR OPTION SEE MMC 716
718: MY AREA CODE SEE MMC 718
720: COPY KEY PROGRAMMING None
721: SAVE STATION KEY
PROGRAMMING None
722: STATION KEY PROGRAMMING SEE MMC 722
723: SYSTEM KEY PROGRAMMING SEE MMC 723
724: DIAL NUMBERING PLAN SEE MMC 724
725: SMDR OPTIONS SEE MMC 725
726: VM/AA OPTIONS SEE MMC 726
727: SYSTEM VERSION DISPLAY SEE MMC 727
728: CLIP TRANSLATION TABLE None
730: AA RECORD GAIN 0dB
731: AA RAM CLEAR None
732: AA TRANS TABLE SEE MMC 732
733: AA PLAN TABLE SEE MMC 733
734: AA MESSAGE MATCH MSG index number
735: AA USE TABLE Plan 01
736: ASSIGN AA MOH NOT USE
740: STATION PAIR None
800: ENABLE TECHNICIAN PROGRAM DISABLE
801: CHANGE TECHNICIAN PASSCODE Default passcode = 4321
802: CUSTOMER ACCESS MMC NUMBER SEE MMC 802
804: SYSTEM I/O PARAMETER SEE MMC 804
805: TX LEVEL AND GAIN SEE MMC 805
806: CARD PRE–INSTALL None
807: VOLUME CONTROL SEE MMC 807
809: SYSTEM MMC LANGUAGE ENGLISH
810: HALT PROCESSING None
811: RESET SYSTEM None
812: COUNTRY CODE None

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2.4 SPECIAL APPLICATIONS
This part of the manual is titled “Special Applications”because it provides
information about interfacing with customer–provided equipment (CPE) or using
a feature in a different way than it was intended. Perhaps an application may
require a combination of CPE, creative programming, unusual feature operation
or all of the above.
Because these applications require installation instructions and a combination of
programming sequences, there is no obvious place to put this information;
therefore, it is placed here. As additional special applications are reported from
the field, they will be included in this section.

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VOICE MAIL/AUTO ATTENDANT
INTEGRATION
This section focuses mainly on in–band integration.
Because of the increased popularity of voice mail and auto attendant use, DCS-
816 includes many programmable options to address this demand. The degree
of integration that can be achieved depends on the abilities of the voice mail/auto
attendant (VM/AA) system as well as the telephone system.
This list details the capabilities provided by the DCS-816 for voice mail via in–
band integration.
Hardware Provisions
•The VM/AA system must be connected to single line circuits on
any SLI port.
•Each port is equipped with a dedicated DTMF receiver for
detecting DTMF signalling from the VM/AA.
•These ports also provide an instant break in loop current when
the calling party hangs up. This is called a disconnect signal.
Software Provisions
•SCREENED OR UNSCREENED TRANSFER
There are no special codes needed to transfer a call. Simply
hookflash, receive transfer dial tone and dial the destination.
•DIRECT IN LINES
Any C.O. call can be assigned to ring at an individual station or a
station hunt group assigned to the VM/AA.
•CALLS OR RECALLS TO THE OPERATOR
Dialling 0 will always result in a ringback signal. If the operator is
busy, the call continues to ring in queue to the operator. This
prevents a caller from dialling 0 and reaching another mailbox
because the operator is busy.
•MESSAGE WAITING
A VM/AA port can leave a message at any station or group of
stations. The message waiting indication can be set or cancelled
at any station or station group with or without the stations ringing.
•IN–BAND SIGNALLING
DCS-816 can be programmed to send the calling station’ s
extension number after the voice mail system answers. These
DTMF signals may include a leading digit to indicate the type of
call and additional information about the original caller. DTMF

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signals may also be substituted for call progress tones to speed
up voice mail call processing. This program allows call forwarding
to a mailbox and bypassing of the main greeting for automatic
message retrieval. Blind transfers may be performed because the
recall will be correctly identified.
NOTE
The effectiveness of this program depends on the ability of the voice mail system to make use
of this information.
•STATION HUNT GROUP WITH OVERFLOW
Each station group can have an individual overflow
destination with an individual overflow timer. The overflow
destination will ring whenever a call to the group is not
answered. If the voice mail system becomes inoperative,
calls are automatically routed to the overflow destination.
•INTERNAL CALL FORWARDING TO VOICE MAIL
This option in MMC 300 will allow or deny intercom calls from
following call forward to voice mail. This feature conserves disk
drive space by only storing calls originating outside the system.
•ONE–TOUCH VOICE MAIL ACCESS
One–touch speed dial keys can be programmed to automatically
dial, log into and retrieve messages from voice mail.
•CALL PROGRESS TONES
The only tones sent to a VM/AA port are dial tone, busy and
ringback. To eliminate confusion, busy tone is substituted for DND
or error tones on voice mail ports only.

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INDIVIDUAL STATION PAGE
The system was not designed to permit page announcements to individual
keysets. However, a forced auto answer key (FAUTO) can be used to
accomplish this.
1. Program a keyset for RING in MMC 103.
2. Assign an FAUTO key to each keyset that is allowed to page individual
keysets.
3. Call another station. When you hear ringback tone, press the FAUTO key.
The ringing will stop and an Auto Answer call is set up.
NOTE
To prevent the use of this feature from getting out of control, only assign FAUTO keys to those
keysets needing to page individual keysets.

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CALLING LINE INDICATION PRESENTATION
(CLIP)
Hardware Provisions
ISDN trunk cards
Software Provisions
The MMCs related to CLIP are listed below with a short description of their use. They
are listed in the recommended order in which they should be programmed. This
sequence is suggested so that the installer gets a better understanding of how the
feature works. There is no technical reason to follow this sequence.
l MMC 312 ALLOW CLIPThis MMC is used by the technician to
determine which keysets are allowed to
receive CLIP displays.
l MMCs 722 and 723 These MMCs have had new keys related
to CLIP features added to them. It is
strongly recommended that all keysets
allowed CLIP in MMC 312 are
programmed with a CLIP key.
l MMC 728 CLIP TRANSLATION This MMC allows the technician to create
a list of names that correspond to
numbers received from the Central Office
(C.O.). These names will be displayed
when a call rings in that has NUMBER
ONLY data provided by the C.O.
l MMC 725 SMDR OPTIONS The ability to print CLIP data and
abandoned calls has been added to this
MMC.
l MMC 119 CLIP DISPLAY This MMC is used by the end user to
determine which piece of CLIP data is

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displayed when a call rings at the user’ s
station.
l MMC 501 SYSTEM TIMERS This MMC has two new timers related to
CLIP. The only timer that may need
adjustment is the CLIP DISPLAY TIME.
This is the length of time that CLIP data
is displayed after the CLIP key is pressed.
l MMC 415 TRK ABANDON This MMC is used by the technician to
determine which trunks will record data in
the Call Abandon list and print with an
Abandon “A”flag on SMDR.
l MMC 608 CLIP BLOCK This MMC is used by the technician to
assign CLIP Review blocks to keysets to
allow the user to review CLIP data for
previous calls.
l MMC 701 CLASS OF SERVICE All of the CLIP features have been added
to this MMC to enable the technician to
allow or deny them.
l MMC 724 NUMBER PLAN CLIP features have been added to this
MMC to allow a technician to assign an
access code where necessary.

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TOLL RESTRICTION (CALL BARRING)
OVERVIEW
DCS-816 allows each station to be assigned a class of service (COS) for use in
the day mode and a COS for use in the night mode. This COS determines the
station’ s dialling class, which can be set to A through H.
Class A has no general restrictions and is not configurable but it will follow the
restrictions set in the Class of Service table (see MMC 701) and Class H is
restricted to internal calls only.
Classes B, C, D, E, F and G are controlled by the entries listed in the deny table
in MMC 702, the allow table in MMC 703 and the wild cards defined in MMC 704.
Toll Restriction (Call Barring) Rules
1. The deny entries prevent certain numbers from being dialled. The allow
entries are the only exceptions to these deny entries.
2. Listing numbers in the allow tables without any entries in the deny tables is
the same as having no restriction.
3. When changing any entry or BCDEFG status, you must enter all digits.
The system has a Wild Card facility, these wildcards consists of three
characters (X, Y or Z), these characters can be set to equal all DTMF digit
from 1~9, 0, ✱and #.
The following examples are provided as an aid to help understand how to use the
deny and allow tables.
Example Customer requirements:
lPhones with dialling class B can only dial local calls (i.e. cannot dial any
number starting with 0)
lClasses C and D are restricted (denied) from dialling 0860 and 0850 numbers.
lClasses E and F are restricted from dialling 0891 and 0898 numbers.
lClass G can dial any number.
lAll classes except B can dial 192
lAll classes can dial 999 calls.