Patent ID: 6430219
Filing Date: 2002-08-06
Classification: H04L,H04M,Y02D

Abstract:
A method of characterizing a subscriber line in a communication system including a first modem and a second modem coupled via the subscriber line, the second modem including an equalizer defined by the equalizer control signals, the method comprising:providing a test signal from the first modem to the second modem across the subscriber line under a plurality of conditions, wherein the conditions include placing at least one telephone coupled to the subscriber line off-hook or a particular time of day; receiving the test signal with the second modem under the conditions; analyzing the test signal received by the second modem to generate a characterization signal for each of the conditions, the characterization signal including the equalizer control signals configured for each of the conditions; and storing the characterization signal with respect to each of the conditions in a memory associated with the second modem.