Two-way voice intercom communications technology, automatic identification of processing speech signals during a call does not require any action.
Dedicated anti-side tone processing chip, with auto-mute function.
Application of completely automated call control, outside the machine's microphone and speakers to use the integration of design and front-line system of the host to connect, easy installation.
Inside and outside the two-way voice signal output(recording by the bank teller), a stereo jack output mode can prevent voice recording function controlled by the power switch and the function buttons.
Application: bank, securities, hospital, bus station Where guard glass again theft is installed.