| http://www.w3.org/ns/prov#value | - For this reason, in the case shown in FIG. 5(c), in order for the telephone set to avoid the ring detection, a high-pass filter having the characteristic as shown in FIG. 6 is provided in the output unit on the transmitter side of the ADSL.Lite modem 6 a, which is the output serial/parallel buffer 91 or the DA converter analog processing 92, for example, in such a manner as to remove the band of a
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