A Digital-Subscriber Line (DSL) modem dynamically allocates its bandwidth to voice calls or data traffic as needed. Low-level frames are divided into several 64-Kbit/sec timeslots, each able to carry one voice call. These low-level frames are repeated several times in a 1-KHz frame that is synchronized...http://www.google.fr/patents/US6373860?utm_source=gb-gplus-shareBrevet US6373860 - Dynamically-assigned voice and data channels in a digital-subscriber line (DSL)
Dynamically-assigned voice and data channels in a digital-subscriber line (DSL)
