| http://www.w3.org/ns/prov#value | - A system for evaluating the operation of a modem having associated distortion, noise, and echo, the modem including a controller, wherein the modem is coupled to a telephone line via tip and ring lines, such that the modem receives and transmits signals across the telephone line, the system comprising:a computer coupled to the modem for providing control commands to the modem controller and for re
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