Nortel Networks Norstar Modular ICS (MICS) Central Answering Position (CAP) Manual
The Meridian Norstar* central answering position (CAP) consists of a Norstar M7324 telephone and one or two CAP modules. A CAP module is an add-on device that provides 48 extra memory or line buttons for an M7324 telephone. You can connect up to two CAP modules to an M7324 telephone.
Your telephone is assigned as a central answering position by your installer or customer service representative.