4.12 [2-7-1] Class of Service—COS SettingsEach extension, doorphone port, incoming call distribution group, and trunk group is assigned a Class ofService (COS). Certain features can be programmed to behave differently depending on the COS. A maximumof 64 COS levels can be programmed.TRSRestrictions to features related to making trunk calls can be programmed for each COS.COS NameSpecifies the name of the COS.Value RangeMax. 20 charactersMaintenance Console Location4.12 [2-7-1] Class of Service—COS SettingsProgramming Manual ReferencesNoneFeature Guide References2.2.1 Class of Service (COS)TRS Level—Day, Lunch, Break, NightSpecifies the Toll Restriction (TRS)/Call Barring (Barring) level for making trunk calls in each time mode.Value Range1: Allows all trunk calls2–6: Restricts trunk calls according to the combination of the Denied and Exception Code Tables7: Restricts all trunk callsMaintenance Console Location4.12 [2-7-1] Class of Service—COS SettingsProgramming Manual References4.6 [2-4] Week Table5.1 [3-1-1] Trunk Group—TRG Settings—Main— COS5.13 [3-5-1] Incoming Call Distribution Group—Group Settings—Main— COS6.1 [4-1-1] Wired Extension—Extension Settings—Main— COS6.10 [4-2-1] Portable Station—Extension Settings—Main— COS7.1 [5-1] Doorphone— COS9.1 [7-1] Denied Code9.2 [7-2] Exception CodePC Programming Manual 5334.12 [2-7-1] Class of Service—COS Settings
