A device and process to allow remote receipt and placement of Internet Telephony connections using emulation of traditional POTS telephone service through a combination of software and a specialized cordless handset appliance. A memory and a non volatile storage medium is communicably coupled to the processor. The display cover can be glass, while the housing is metal. A processor subsystem is configured to obtain a three-dimensional image based on the first and second images. The analyzer calculates the distance between the surface of the mold and the surface of the substrate by measuring a distance between the surface of the mold and a surface formed at a position away from the surface of the mold.