10.7 PBX Configuration—[2-7] System—Class ofService10.7.1 PBX Configuration—[2-7-1] System—Class ofService—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 charactersFeature Guide References5.1.1 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 callsPC Programming Manual References10.4 PBX Configuration—[2-4] System—Week Table11.1.1 PBX Configuration—[3-1-1] Group—Trunk Group—TRG Settings—Main— COS11.5.1 PBX Configuration—[3-5-1] Group—Incoming Call Distribution Group—Group Settings—Main—COS12.1.1 PBX Configuration—[4-1-1] Extension—Wired Extension—Extension Settings—Main— COS12.2.1 PBX Configuration—[4-2-1] Extension—Portable Station—Extension Settings—Main— COS13.1 PBX Configuration—[5-1] Optional Device—Doorphone— COS15.1 PBX Configuration—[7-1] TRS—Denied Code15.2 PBX Configuration—[7-2] TRS—Exception CodeFeature Guide References2.7.1 Toll Restriction (TRS)/Call Barring (Barring)PC Programming Manual 44310.7.1 PBX Configuration—[2-7-1] System—Class of Service—COS Settings
