7/25/2019 Cond Literature

1/1

By developing this DTM based door control, we have overcome the drawbacks of non-DTMF

based door control which have a limited range whereas door can be controlled from anywhere

just using this DTMF technology The main advantage of this system is that if local network

failure has occurred the usual password door door control is applied in addition, so that the right

person can only control it !onsidering this the system work for security purpose