| http://www.w3.org/ns/prov#value | - In this embodiment, the AMR may go off-hook in response each call on the line, to effect a checking operation to determine whether a demand call is being made from the utility, which may be made for the purpose of effecting an installation transaction or to obtain data from the AMR. In each such checking operation, the modem and other circuits are energized and over a period of time considerable
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