Interface Digital Solutions Pvt. Ltd. Manufactures Internet Protocol - IP Based Surveillance Equipment. Interface Digital Solutions Pvt. Ltd. Supplies office automation & telecom solution. Internet Protocol - IP Based Surveillance Equipment is quickly becoming the preferred equipment mode for business and schools. Internet Protocol - IP Based Surveillance Equipment can deliver secure real-time images of an emergency via a LAN or the Internet. This IP surveillance also has the flexibility to show both full-motion and still images from any internet accessible connection in the world.