Terminals&Sets / 313P0992638 03 Modular ICS 6.0 Installer GuidePrime lineThis setting assigns a prime line to the telephone. A prime lineis the first line that is automatically selected when the handsetis lifted.Press CHANGE to select one of these settings: None, Pool (A toO), or I/C (intercom). Only assigned lines and line poolsappear.PRI pools are not valid selections for a Prime line.Tips - An assigned prime line is not associated with theassignment of a prime telephone.• An external line must be assigned to the telephone inLine assignment before it can be assigned as the primeline to the telephone.• A line pool must be assigned to the telephone in line poolaccess before a line pool can be assigned as the primeline to the telephone.• A target line cannot be a prime line for a telephonebecause it is incoming-only.• A DID line should not be assigned as the prime line fora telephone. If assigned, it is treated as if no prime linehas been assigned. The message Select a lineappears when the receiver is lifted.Remember that if you set prime line to I/C (intercom), you maywish to assign loop start lines to the first line pools. When thesystem searches for an outgoing line, it begins at line pool Aand chooses the first available line.By assigning a line pool as a prime line, a telephone can bemade to search automatically for an idle line in a pool. This isdescribed in the section on programming Line type (Trk/Line Data).
