A Heating, Ventilating, and Air Conditioning Management and Control System that provides \u201cClosed Loop Adaptive Climate Control\u201d of heating, cooling, ventilation or any combination thereof to an occupied space using standard AC electric induction motor connected to a fan and other motor or electric powered devices. A third doping region of the first conductivity type is formed in an upper portion of the second doping region. The scroll compressor additionally includes a high pressure chamber and a middle pressure chamber, which are formed by dividing the back pressure chamber using a seal. An instant messaging protocol such as Session Initiation Protocol and a remote services register are used to provide a means for communication between local devices in a plurality of local OSGi domains using native communications protocols. Also, the REFER BYE message is transmitted from the PoC client to the PoC server, and the PoC server receives the REFER BYE message, checks the contents of a header in the received message, and terminates the PoC session while keeping the pre-established session maintained when a specified condition is satisfied.