| Patent Number |
Title Of Patent |
Date Issued |
| 7372875 |
Systems and methods for synchronization in asynchronous transport networks |
May 13, 2008 |
| Techniques for synchronizing the clock of a local telecommunications network connected to a remote clock source through an asynchronous transport network such as an Ethernet metropolitan area transport network. A basic holdover loop for retaining the current reconstructed clock frequ |
| 6449259 |
Communication controller |
September 10, 2002 |
| The present invention provides a communication controller interfaced to a plurality of networks. The communication controller is able to monitor and measure the network characteristics of all the networks and route information signals that are part of established communications between |
| 6421350 |
Device and method for controlling the quality-of service in data networks |
July 16, 2002 |
| The present invention provides a network terminating unit configured to receive communication signals associated with a packet telephony system and modify said signals to maintain the quality of service of a data network associated with the packet telephony system at or below a certain |
| 6417933 |
Teleconferencing and facsimile communications system and method |
July 9, 2002 |
| In a communications system for conducting a teleconference, a voice bridge is employed to establish communication connections with attendees of the teleconference. In addition, a facsimile bridge is employed to distribute facsimile data associated with the teleconference. In an illustrat |
| 6377645 |
Method and apparatus for controlling bit slippage in high-speed communications systems |
April 23, 2002 |
| A method and apparatus for controlling bit slips in a high-speed, two-way, communications channel. More particularly, the entire communications system, comprising, inter alia, a receiver, a transmitter and the physical communications channel is operated as a feedback loop. That is, the |
| 6222909 |
Audio note taking system and method for communication devices |
April 24, 2001 |
| An audio note taking system and method that permit a user to record audio information during a conversation on a wireless or wired communications device and distribute the information to other users in an efficient and accurate manner by working in concert with other types of communicati |
| 6009153 |
Electronic devices and programming methods therefor |
December 28, 1999 |
| A technique for programming operating parameters in an electronic device, such as programmable configuration settings, uses an interactive response configuration server accessible through the telephone network. The configuration server provides voice prompts to an electronic device o |
| 5937054 |
Apparatus for and method of providing consumers with local access carrier |
August 10, 1999 |
| In accordance with the present invention, a selected local carrier may be operated by receiving a first signal and initializing provision of a second signal to a residential communications device in response to the first signal. More specifically, the first signal is, e.g., indicative of |
| 5715305 |
Apparatus for and method of providing consumers with local access carrier |
February 3, 1998 |
| In accordance with the present invention, a selected local carrier may be operated by receiving a first signal and initializing provision of a second signal to a residential communications device in response to the first signal. More specifically, the first signal is, e.g., indicative of |
| 5663756 |
Restricted access remote control unit |
September 2, 1997 |
| A device for restricting access to certain programs. The RCU comprises an entry pad, a controller, a read-only-memory ("ROM"), and an transmission system. |