...Customer Premises Equipment （用户驻地设备） CPI-C：Common Programming Interface for Communications （通信公用编程接口） CPNIE：Called party number information element （被叫方号码信息单元） ..
abstract:Common Programming Interface for Communications (CPI-C) is an application programming interface developed by IBM in 1987 to provide a platform-independent communications interface for the IBM Systems Application Architecture based network, and standardising programming access to SNA LU 6.2.