Telephone PA System Posted by TRAdmin in 11 Nov 2015 School telephone systems need to have the capacity to deal with a large number of calls at any one time. Effective phone systems can allow employees to quickly and efficiently direct calls to the right person. Add to wish list Categories: All Equipment, Reception Related products Reception Furniture Add to wish list Fire Alarm System Add to wish list Disabled Ramps Add to wish list Kitchen (Commercial style) Add to wish list