Call divert service for FERMAX video door entry systems with VDS technology. Receive and answer the calls from your VDS video door entry system from FERMAX on your smartphon...展开

Call divert service for FERMAX video door entry systems with VDS technology. Receive and answer the calls from your VDS video door entry system from FERMAX on your smartphone. With the WI-BOX App you can receive the calls from your FERMAX VDS video door entry system on your smartphone and enjoy…收起

Minor changes and general improvements.