How does one set the fax transmission level on the 8660-all-in-one (model no. CM750A)? My telco advises that it's about -20 dBm, whereas it should be -15 to -17 dBm. Thanks.
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How does one set the fax transmission level on the 8660-all-in-one (model no. CM750A)? My telco advises that it's about -20 dBm, whereas it should be -15 to -17 dBm. Thanks.