System and method of sharing or connecting security and home control system

A method comprising:

• providing a plurality of security systems for detecting threats within secured areas and reporting the threats to a central monitoring station;
• a first user interface of a first security system of the plurality of security systems receiving first user input activating a system control transfer icon displayed on the first user interface;
• responsive to activation of the system control transfer icon, the first user interface presenting a list of a plurality security functions of the first security system to transfer:
• the first user interface receiving second user input selecting one or more of the plurality of security functions of the first security system from the list;
• responsive to the second user input, the first user interface soliciting third user input;
• responsive to soliciting the third user input, the first user interface receiving the third user input selecting a second security system of the plurality of security systems to control the first security system;
• responsive to selection of the second security system, the first security system sending a notification to the second security system through the central monitoring station, the notification authorizing the second security system to directly control the one or more of the plurality of security functions of the first security system;
• responsive to the notification, the central monitoring station forming a control connection between the first security system and the second security system;
• responsive to the central monitoring station forming the control connection, the first security system transferring control of the one or more of the plurality of security functions of the first security system to the second security system;
• and
• the second security system directly controlling the one or more of the plurality of security functions of the first security system through the control connection and a second user interface of the second security system.