Assigning Trunk/line data 261Programming Operations GuidePRI fieldsTable 37 PRI line fieldsAttribute Value DescriptionLine type PRI A to PRI-F Define how the line is used in relation to other lines in the system.• PRI A to PRI F: you must use routes and destination codes to direct PRI lines.Prime set DN:NoneAssign a telephone to provide backup answering for calls on the line. For an AutoAnswer line, calls are redirected if the received number is invalid or the target line isbusy, and if the If busy parameter is set To prime.Each line can be assigned only one prime telephone.Distinct ringsin useread-only This field shows the Distinct Ring Patterns that have already been assigned to atleast one line.Distinct ring NonePattern 2Pattern 3Pattern 4Choose the distinctive ring pattern that you want to assign to the line. This allowsyou to provide selective service to calls with differing answer priorities.When more than one line with the distinct ring settings rings at a telephone, the linewith the highest priority will ring first.• Pattern 4 has the highest ring priority• Pattern 3 has second highest ring priority• Pattern 2 has third highest ring priority• None has the lowest ring priority.By default, all telephones and lines are set to NoneWARNING:If you assign a distinctive ring pattern to a line, and that distinctive ring pattern hasalready been assigned to a telephone, all telephones with that ring pattern will bereset to pattern 1.If you assign a distinctive ring pattern to a telephone, and that distinctive ringpattern has already been assigned to a line, all lines with that ring pattern will bereset to None.WARNING: Enable modulesIf you disabled any trunk media bay modules prior to performing programming, enable them now toensure your system will function properly.