{HEAD ~ The systems} and methods of {TAIL ~ this invention} are directed toward reliably exchanging diagnostic and test information between transceivers over a digital subscriber line in the presence of voice communications and other disturbances 
of
{ HEAD ~ The systems } and methods of { TAIL ~ this invention } are directed toward reliably exchanging diagnostic and test information between transceivers over a digital subscriber line in the presence of voice communications and other disturbances
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