4-62 System Programming[600]-[603] 4.2 System ProgrammingPrograms a class of service (COS) in the day, night and/or lunch modes for each extension.There are 5 class of services available for each extension.X – Program address selection number: 1 ([601] for day) / 2 ([602] for night)/3 ([603] for lunch)* Extension jack number: 01 through 24 / (All extension jacks)Default All extension jacks – COS-1• Feature ReferenceSection 3, FeaturesToll RestrictionAssigns an extension group for each extension. For example: by department or floor.*1 Extension jack number: 01 through 24 / (All extension jacks)*2 Extension group number: 1 through 8Default All extension jacks – Extension group 1• Every extension should belong to an extension group, but cannot belong to more than onegroup.• Feature ReferencesSection 3, FeaturesExtension Group, Station Hunting006[600] Extension Group AssignmentNEXT ENDextension jack no.*1(1···8)extension group no.*2SELECT(01··· 24/ )!!END(1···5 )COS no.X06[601]-[603] TRS – Class of Service Assignment —Day/Night/LunchNEXT(01··· 24/ )extension jack no.*(1 ··· 3)SELECTNEXT PREVorTo continueSTORETo continue++NEXT PREVorSTORETo continueTo continue