Call Control
17
SBX IP 320 Features & Operation Guide
Class Of Service (COS)
Each station and CO line may be assigned to have different classes to allow or restrict call
service. The level of COS assignments are programmed at each Station and CO line. Applied
dialing restrictions are the result of the interaction of COS assignments as listed in the Class of
Service Table.
CLASS OF SERVICE
Canned, Restricted1: Long distance call is not allowed (8 digits maximum)
Canned, Restricted2: Long distance call is not allowed (longer than 8 digits)
CO LINE COS
S
T
A
T
I
O
N
C
O
S
1
2
3
4
5
1
Unrestricted
Unrestricted
Unrestricted
Canned
Restricted
Unrestricted
2
Table A
Table A
Table B
Canned
Restricted
Unrestricted
3
Table B
Unrestricted
Unrestricted
Canned
Restricted
Unrestricted
4
Table A, B
Table A
Table B
Canned
Restricted
Unrestricted
5
Canned
Restricted2
Canned
Restricted2
Canned
Restricted2
Canned
Restricted1
Unrestricted
6
Canned
Restricted1
Canned
Restricted1
Canned
Restricted1
Canned
Restricted1
Unrestricted
7
Intercom
Only
Intercom
Only
Intercom
Only
Intercom
Only
Intercom
Only
8
Table C
Table C
Unrestricted
Canned
Restricted1
Unrestricted
9
Table D
Table D
Unrestricted
Canned
Restricted1
Unrestricted