Line card in a telecommunications system and method for supporting services and services teleeonia simple asymmetric and symmetric digital subscriber line at the line card

摘要

"Line card in a telecommunications system and method for supporting telephony services simple and asymmetric and symmetric digital subscriber line at the line card".It is provided with a line card and method that supports telecommunications services for symmetric and asymmetric, symmetric and asymmetric DSL services.The line card can support concurrent asymmetric DSL services and telephony or simple support DSL services.An xDSL interface provides processing for the DSL signals and a telephony interface provides processing for simple phone signals.The line card is capable of switching modes of operation or which services it is supporting. Preferably, the line card is capable of switching modes of operation during a communication session.The line card can switch modes based on instructions received from external devices, such as EPC or distant end equipment,Based on the software pre programmed or based on operation of the line card.