The DORLET AVDS system is a high-end controller that allows two doorphones and two cameras to be connected for Audio IP communications. It allows to equip the ASD / 1, ASD / 2 and ASD / 4 Access Control systems with intercom. Easy integration by meeting SIP communication standards. This AVDS incorporates high performance video processing with graphics accelerator. Possibility of connecting interphones and / or cameras separately. It allows integration with SIP PBX (register / no register) to act with a single IP as two independent SIP intercoms. (The PBX must support two extensions on a single IP). Integration in DASSnet platform. DORLET discovery protocol for configuration. Compatible with 6-wire analog interphones. In case of connecting 4-wire analogue interphones, a 4-to-6-wire converter is necessary. Compatible with DASSnet V2.1.3 software or higher. Not compatible with DASS.