Open Supervised Device Protocol (OSDP) improve interoperability among access control and security products What Is OSDP? Open Supervised Device Protocol (OSDP) is an access control communications standard developed by the Security Industry Association (SIA) to improve interoperability among access control and security products. OSDP was approved as an international standard by the International Electrotechnical Commission … Continue reading Open Supervised Device Protocol (OSDP)