Systems and methods comprise a gateway that includes a processor coupled to a security system at a premises via a channel. The channel comprises a protocol of the security system that is a proprietary bus protocol of the control panel of the security system. A touchscreen at the premises is coupled to the gateway and presents user interfaces. The user interfaces include a security interface that provides control of functions of the security system and access to data collected by the security system, and a network interface that provides access to network devices. A camera is located at the premises and coupled to the gateway. A security server at a remote location is coupled to the gateway. The security server comprises a client interface through which remote client devices exchange data with the gateway and the security system.