The invention relates to a surveillance/monitoring system, comprising one or more peripheral devices for generating surveillance/monitoring signals and/or data, and a management system for controlling the peripheral devices. The management system comprises one or more applications, wherein each application is provided with an application-specific environment. The surveillance/monitoring system further comprises at least one value-added solution, each value-added solution comprising an external component and an application-independent adaption layer through which the external component communicates with the application-specific environment by implementing at least one first interaction request to the adaption layer according to a pre-defined application- independent interaction interface. The application-specific environment is configured to mediate at least one interaction between the value-added solution and the surveillance/monitoring system by matching the at least one first interaction request with at least one second interaction request from the surveillance/monitoring system and fulfilling the interaction if a match is found.