LINE INFORMATION SECURITY INTERFACE FOR TAPI SERVICE PROVIDER

摘要

A system for providing a secure interface to a PBX system comprising a PBX having a command executor; a plurality of telephony devices connected to the PBX; one or more programmable computing devices connected to the PBX; wherein eac h programmable computing device has a telephony service provider component whi ch communicates with the PBX command executor through a PBX command interface resident on the programmable computing device to request and obtain a list o f telephony device identifiers corresponding to a set of telephony devices whi ch are permitted to be monitored or controlled by the programmable computing device .