Integrated private branch exchange and device control system

摘要

In one embodiment, a state center operates as a repository and exchange point for telephony state information that would not typically be accessible from an Internet Protocol private branch exchange (IP PBX), and control state information that would not typically be accessible from a programmable multimedia controller. In such manner, the state center enables telephony responsive audio/video (A/V) and home automation device control, and A/V and home automation device responsive telephony control.