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Relevant features from this list can be selected and put in a group. One can make few feature access groups
depending upon the requirement. First group contains none of the features. Second group contain only internal
dialing. Third group contain very common features like Call Pick Up, Call Transfer, Internal Dialing etc. Fourth
group contain more advanced features and so on. Once programmed, COS groups may look like:
By default, in all the 10 COS groups a set of features is allowed based on common requirement. Default
COS groups’ chart is attached herewith:
Now, these groups can be allocated to the users depending upon the hierarchy of the user in the organization. A
user can be assigned different COS groups for day time and night time. Once these groups are assigned to the
users, the user’s COS table looks like:
Auto Call Back 10
Interrupt Request + Barge-In 11
Raid 12
Trunk Reservation + Continued Dialing 13
Auto Redial-Low Priority 14
Auto Redial-High Priority 15
Group0001020304…131415
0 NNNNN…NNN
1 NNYYN…NYN
2 YNNYY…YYY
3NNNYY…NNN
4YYYNY…NYN
5YYYNY…YYN
6 YYYYY…YYY
7 YYYYY…YYY
8 YYYYY…YYY
9 YYYYY…YYY
Group 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0 NNNNNNNNNN N N N N N N
1 YNNNNNNNNN N N N N N N
2 YYYNYNNNNN Y N N N Y N
3 YYYNYYYNNN Y N N N Y N
4 YYYNYYYYNN Y N N N Y N
5 YYYNYYYYYY Y N N N Y N
6 YYYNYYYYYY Y Y N N Y N
7 YYYYYYYYYY Y Y N Y Y Y
8 YYYYYYYYYY Y Y Y Y Y Y
9 YYYYYYYYYY Y Y Y Y Y Y
Station Number COS group for Day Time COS group for Night time
21 7 1
22 6 4
23 4 4
24 3 3
…… …
…… …
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Feature Name Feature Index