4.13 TRS [7]534 Feature Guide4.13 TRS [7]4.13.1 Denied Code [7-1]Toll Restriction (TRS) prohibits an extension from making certain CO line calls. Each time mode of everyCOS is assigned one of the seven TRS levels. TRS level 7 provides the maximum restriction (all CO linecalls are prohibited) and level 1 provides the minimum (all CO line calls are allowed). TRS levels 2–6 areused to restrict calls according to the combination of Denied Code Tables and Exception Code Tables inException Code [7-2].If the leading digits of the dialed number are not found in the applicable Denied Code Tables, the call ismade. A maximum of 100 denied codes can be programmed for each level.Denied Code Tables—Level 2–Level 6Specifies the leading digits of toll restricted numbers for each level.DefaultNot stored.Value RangeMax. 16 digits (consisting of 0–9, *, #, and X)Note"X" can be used as a wild card character which substitutes any digit in its position.Programming References4.8.14 Class of Service—COS Settings [2-7-1]—TRS / CO—TRS Level—Day, Lunch, Break, Night4.13.2 Exception Code [7-2]Feature Guide References1.8.1 Toll Restriction (TRS)4.13.2 Exception Code [7-2]Toll Restriction (TRS) prohibits an extension from making certain CO line calls. Each time mode of everyCOS is assigned one of the seven TRS levels. TRS level 7 provides the maximum restriction (all CO linecalls are prohibited) and level 1 provides the minimum (all CO line calls are allowed). TRS levels 2–6 areused to restrict calls according to the combination of Denied Code Tables in Denied Code [7-1] andException Code Tables.A call denied by the applicable Denied Code Tables is checked against the applicable Exception CodeTables, and if a match is found, the call is made. A maximum of 100 exception codes can be programmedfor each level.Exception Code Tables—Level 2–Level 6Specifies the leading digits of the numbers to be exempted from toll restriction for each level.