Voice over Digital Subscriber Line (VoDSL) is an emerging technology, and as such requires subscriber acceptance and take-up both for the future development of this technology and to repay access network operator investment in VoDSL equipment. The present invention provides an improved equipment architecture...http://www.google.es/patents/US6560225?utm_source=gb-gplus-sharePatente US6560225 - Enhanced performance VoDSL
