System and method for enhancing a voice channel in voice...

Details System and method for enhancing a voice channel in voice... System and method for enhancing a voice channel in voice...

2006-08-08

2006-08-08

Ferris, Derrick (Department: 2663)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S401000, C370S466000

Reexamination Certificate

active

07088723

ABSTRACT:
A method and system for enhancing a voice channel in voice over Internet protocol includes an integrated access device (IAD) that receives voice data from user devices, removes RTP/UDP header and IP header information, and generates an AAL2 CPS cell. A Registration, Administration and Status (RAS) server receives the AAL2 CPS cell, removes the AAL2 information and adds an RTP/UDP header and IP header, such that an IP packet is output for Internet transport. The RAS server can also receive an IP packet and convert the IP packet to an AAL2 CPS cell, to be transported to the IAD. The RAS performs the conversion in accordance with header data received from the IAD that is stored in, and removed from, a lookup table in response to command signals sent by the IAD. Thus, the asymmetric digital subscriber line (ADSL) handles an increased number of calls, and at an increased efficiency.

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patent: 11-331274 (1999-11-01), None
patent: WO 2002/35863 (2002-05-01), None

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