The Bosch DCNM-LSID functionality of the DICENTIS Discussion devices can be extended by the use of optional licenses. The Identification at Seat license enables participant identification in a DICENTIS Multimedia device, DICENTIS Discussion device with voting, DICENTIS Discussion device with language selector, DICENTIS Discussion device with touchscreen or DICENTIS Wireless Device extended. A license is required for each device that requires identification. The license is supplied as an activation code and is enabled in the same way as the other activation codes in the DICENTIS Wireless and DICENTIS Conference systems.