CCL DG-120, Operating Manual, Page: 3 / 22

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Abbreviations Used
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Junction Line / PNT - Telephone Lines provided by the Department of Telecommunication
SLT - Single Line Telephone (Normal Telephone Set)
KTS - Key Telephone Set
DSS - Direct Station Selection (Every KTS has DSS keys
Flash -
Pressing ‘FLASH’ key on SLT or depressing Hook switch
for fraction of a second
COS - Class of Service
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Numbering Plan
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Extension Numbers
In default the exten
sion numbers are 200, 201, 202, …. And so on.
To make an internal call, lift handset and dial the desired extension number.
Junction Numbers
In default the Junction numbers are 700, 701, etc.
You can make an external call through any of the Junction lines connected to the system, provided you have the rights.
To make an external call
Dial the Junction Access code (which is 0 in default)
The PBX will select the free Junction line from 700, 701, …and give its dial tone
Dial the external number
Note: In case the called Junction line is busy, use Auto Call Back facility.
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Programming Method & Passwords
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The PBX has altogether 2 type of Passwords:
PBX Password & Extension Password.
PBX Password
It is for PBX programming. In default it is `1234’.
In case of Office version, PBX Programming can be done from KTS as well as
SLT.
In case
of Hotel version, PBX Programming is possible only from Operator’s
KTS.
PBX Programming from KTS
Press [prog] key
KTS will display `PASSWORD’
Enter the PBX Password.
(By default PBX Password is `1234’).
Now `
MODE’ will be displayed.
Proceed with the desired programming.
On successfully accepting the command, display will show `PASS’ else `ERROR’
For next command, press [HOLD] key.
KTS will display `MODE’. Now proceed with the next command without any
password.
To come out from the programming mode, press [RLS] key.
Bulk Programming
To do a similar programming for more than one Extension/Junctions, a single
command can be given.
However, all the extensions or Junctions numbers should be in series to affect such
programming.
Press ‘prog’ key + 1234 (PBX Password) + 00 CC S E ..
Where CC = Programming code.
S = 3 Digit Starting parameter, which denotes starting Extension,
Junction, group, etc.
E = 3 Digit Ending parameter, which stands for last Extension.,
Junction, group, etc.
Example: To program extensions 210 to 220 to have class of services 3 and 1 for
day and night mode respectively, the command would be
Press ‘prog’ key + 1234 (PBX Password) + 00 42 210 220 3 1 1
Changing the PBX Password
PBX Password can be changed through the following command:
Press ‘prog’ key + 1234 (PBX Password) + 81 NNNN NNNN 1
Where, NNNN is the new password entered twice.