CPE Communications equipment (such as PBX switches, origination / termination adapters, multiplexers, modems, codecs, telephones, computers, etc. - but not including carrier lines) at the customer's location that connects to carriers' Products and Services. CPE may be COAM or provided by the carrier. Primary CPE suppliers include: AT&T, Northern Telcom, NEC, Phillips, Siemens, Erickson, etc.
Customer Premise Equipment is any apparatus, including telephone handsets, private branch exchange (PBX) switching equipment, key and hybrid telephone systems, and add-on devices that are physically located on a customer's property. If CPE includes wiring (and it usually does), this is sometimes referred to as "on-premise wiring."