ip safety intercom, ask for help by merely pushing a button.

emergency video ip telephone, ask for help by merely pushing a button.

emergency communication system, ask for help by merely pushing a button.

duplex voice intercom terminal, ask for help by merely pushing a button.

emergency help call system, ask for help by merely pushing a button.

emergency phone and rescue assistance intercoms, ask for help by merely pushing a button.

hospital nurse master station

vandal-proof audio intercom

help system for elevator