| Patent Number |
Title Of Patent |
Date Issued |
| 6678284 |
Communication access chassis with general purpose computing platform |
January 13, 2004 |
| A communication access chassis having a general purpose computing platform provides communication access between remote users and computer network via the public telephone network. The general purpose computing platform is connected to an internal chassis bus complex transmitting incomin |
| 6636519 |
Network access method and network access server therefor |
October 21, 2003 |
| Apparatus and method for enabling bilateral transmission of digital data between a local area network and telephone company networks employing both analog and digital telephone lines. A modem modulates signals responsive to signals from a local area network representing an outgoing call |
| 6304574 |
Distributed processing of high level protocols, in a network access server |
October 16, 2001 |
| A method and apparatus for distributing protocol processing among a plurality of computing platforms. Data communications equipment such as Remote Access Devices, Communication Servers, Terminal Servers, and Dial-up Routers provide single user or large-scale multiple user communicati |
| 6249527 |
Communication access chassis with general purpose computing platform |
June 19, 2001 |
| A communication access chassis having a general purpose computing platform provides communication access between remote users and computer network via the public telephone network. The general purpose computing platform is connected to an internal chassis bus complex transmitting incomin |
| 6157649 |
Method and system for coordination and control of data streams that terminate at different termi |
December 5, 2000 |
| A method for coordinating and controlling multiple data streams representing a data transmission session that terminate in different termination units (such as network access servers) using a virtual data stream tunnel is presented. The data streams are transmitted over two or more l |
| 6009101 |
Communication access system with distributed processing |
December 28, 1999 |
| A method and apparatus for distributing protocol processing among a plurality of computing platforms. Data communications equipment such as Remote Access Devices, Communication Servers, Terminal Servers, and Dial-up Routers provide single user or large-scale multiple user communicati |
| 5912888 |
Digital network access server |
June 15, 1999 |
| Apparatus and method for enabling bilateral transmission of digital data between a local area network and telephone company networks employing both analog and digital telephone lines. A modem modulates signals responsive to signals from a local area network representing an outgoing call |
| 5878040 |
Coordination and control of data streams that terminate at different termination units |
March 2, 1999 |
| A method for coordinating and controlling multiple data streams representing a data transmission session that terminate in different termination units (such as network access servers). The data streams are transmitted over two or more links, collectively forming a "bundle". The termi |
| 5841842 |
Telephone call routing and switching techniques for data communications |
November 24, 1998 |
| A method of processing incoming digital telephone calls from remotely located call originators which are destined for receipt by a host computer system. The host computer system is linked to the telephone network by a network access server. The call originators may be any type of data |
| 5761281 |
Telephone call routing and switching techniques for data communications |
June 2, 1998 |
| A method of processing incoming digital telephone calls from remotely located call originators which are destined for receipt by a host computer system. The host computer system is linked to the telephone network by a network access server. The call originators may be any type of data |
| 5717690 |
Coordination and control of data streams that terminate at different termination units |
February 10, 1998 |
| A method for coordinating and controlling multiple data streams representing a data transmission session that terminate in different termination units (such as network access servers). The data streams are transmitted over two or more links, collectively forming a "bundle". The termi |
| 5577105 |
Telephone call routing and switching techniques for data communications |
November 19, 1996 |
| A method of processing incoming digital telephone calls from remotely located call originators which are destined for receipt by a host computer system. The host computer system is linked to the telephone network by a network access server. The call originators may be any type of data |
