Embodiments of the present invention relate to the field of communication technologies, and in particular, to {HEAD ~ a method}, an apparatus, and a system for reducing line to line crosstalk during transmission of {TAIL ~ a digital subscriber line service} 
Embodiments of the present invention relate to the field of communication technologies , and in particular , to { HEAD ~ a method } , an apparatus , and a system for reducing line to line crosstalk during transmission of { TAIL ~ a digital subscriber line service }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL