4.8 System [2]
4.8.15 Class of Service—COS Settings [2-7-1]
Each extension, doorphone port, incoming call distribution group, and CO line group belongs to a certain
COS. Certain features can be programmed to behave differently depending on the COS. A maximum of 64
COS can be programmed.
TRS / CO
Restrictions to features related to making CO line calls can be programmed for each COS.
COS Name
Specifies the name of the COS.
Default
Not stored.
Value Range
Max. 20 characters
Feature Guide References
None
TRS Level—Day, Lunch, Break, Night
Specifies the Toll Restriction (TRS) level for making CO line calls in each time mode.
Default
1
Value Range
1: Allows all CO line calls
2–6: Restricts CO line calls according to the combination of the Denied and Exception Code Tables
7: Restricts all CO line calls
Programming Guide References
4.8.8 Time Service—Week Table [2-5-1]
4.9.1 Trunk Group—TRG Settings [3-1-1]—Main—COS
4.9.6 Incoming Call Distribution Group—Group Settings [3-5-1]—Main—COS
4.10.1 Wired Extension—Extension Settings [4-1-1]—Main—COS
4.10.9 Portable Station—Extension Settings [4-2-1]—Main—COS
4.11.1 Doorphone [5-1]—COS
4.13.1 Denied Code [7-1]
4.13.2 Exception Code [7-2]
Feature Guide References
1.8.1 Toll Restriction (TRS)
Feature Guide
499