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| Number | Title | Issue Date |
| 7917356 | Operating method for voice activity detection/silence suppression system A VAD/SS system is connected to a channel of a transmission pipe. The channel provides a pathway for the transmission of energy. A method for operating a VAD/SS system includes detecting the energy on the channel, and activating or suppressing activation of the VAD/... | 03/29/2011 |
| 7627106 | Method and apparatus for sending updates to a call control element from an application server A method and apparatus for enabling Application Servers to automatically update the databases used by Call Control Elements as changes occur between customer data, such as customer specific logic, and the Application Servers, such as the IP addresses of the Applicat... | 12/01/2009 |
| 7610028 | Method and system for reduction of peak-to-average power ratio of transmission signals comprising overlapping waveforms The present invention provides a method and system for reducing the peak to average power ratio (PAP) of a signal with low computational complexity. According to one embodiment, the present invention is applied to reduce the PAP of an OFDM signal. According to an al... | 10/27/2009 |
| 7609830 | Method and apparatus for access to dialing plans for users of distinct enterprise networks The invention comprises a method and apparatus for processing a call request from a first enterprise customer network to a second enterprise customer network using at least one dialing plan. Specifically, the method comprises receiving at least one dialing plan requ... | 10/27/2009 |
| 7554719 | Fast dynamic gain control in an optical fiber amplifier The present invention provides methods and apparatuses for controlling a gain of an optical fiber amplifier. Gain circuitry operates in an opened loop configuration and uses a predetermined function relating a power variation of at least one wavelength region with a... | 06/30/2009 |
| 7554718 | Fast dynamic gain control in an optical fiber amplifier The present invention provides methods and apparatuses for controlling a gain of an optical fiber amplifier. Gain circuitry operates in an opened loop configuration and uses a predetermined function relating a power variation of at least one wavelength region with a... | 06/30/2009 |
| 7466918 | Wavelength allocation in regional access network with optical add-drop multiplexers Wavelength assignment schemes that provide full-connectivity in RANs with fixed-tuned OADMs. In the first scheme, wavelengths are assigned to nodes according to Hadamard code, and in the second scheme, bands of contiguous wavelengths are assigned to nodes. Simulatio... | 12/16/2008 |
| 7446932 | Method, apparatus and system for cost effective optical transmission with fast Raman tilt transient control A method for cost-effective optical transmission with fast Raman tilt or other transient event control uses a combination of Erbium-doped fiber amplifiers (EDFAs) and Raman fiber amplifiers (RFAs), where EDFAs are used as the primary optical amplifiers to compensate... | 11/04/2008 |
| 7373544 | Concept of zero network element mirroring and disaster restoration process There is provided a system and method of disaster restoration of service of damaged or destroyed telecommunication network elements. A controller component is configured to select a damaged or destroyed network element after a disaster event. An engine component is ... | 05/13/2008 |
| 7372554 | Selection of a signal input from an optical fiber member The present invention provides methods and apparatuses for analyzing optical parameters of a selected optical fiber member. A signal input from an optical fiber member is selected by instructing a corresponding optical separation device. The output from the correspo... | 05/13/2008 |
| 7159032 | Method for prevention of recursive loops between network elements The occurrence of recursive loops between network elements are detected and prevented. One or more queries are generated that are sent between the network elements. One or more of the network elements detect the imminent occurrence of a recursive loop between the ne... | 01/02/2007 |
| 7154867 | Echo reduction This invention provides a technique to reduce echoes not adequately attenuated by echo cancellers during initial periods of voice communication. Signals transmitted across communication networks are often reflected back to the caller resulting in echo. Echo cancelle... | 12/26/2006 |
| 7110422 | Method and apparatus for managing voice call quality over packet networks The present invention relates to an apparatus and method for maintaining voice call quality over a packet network by providing optimal de-jitter buffer depth and rate of change of depth. Buffer depth and rate of change of buffer depth may be initially determined by ... | 09/19/2006 |
| 7058847 | Concept of zero network element mirroring and disaster restoration process There is provided a system and method of disaster restoration of service of damaged or destroyed telecommunication network elements. A controller component is configured to select a damaged or destroyed network element after a disaster event. An engine component is ... | 06/06/2006 |
| 6970475 | System and method for handling flows in a network A flow in a network is identified and handled by using a virtual host address. A packet is received at a switch with a first virtual host address as its destination address. If the packet is the first packet of a flow received by the switch, then a second virtual ho... | 11/29/2005 |
| 6947045 | Coding of animated 3-D wireframe models for internet streaming applications: methods, systems and program products A 3-D wireframe model expressed in terms of nodes and vertices receives a 3-D video or like signal representative of a scene expressed in terms of a reference model, I frames and P frames. A DPCM coder takes advantage of the temporal correlation of the displacement ... | 09/20/2005 |
| 6941269 | Method and system for providing automated audible backchannel responses A voice processing system comprises a processing device that processes and receives a stream of voice input as a user is speaking. A software program executes program steps for determining a predetermined pattern of speech and silence during processing of stream of ... | 09/06/2005 |
| 6792268 | Method for uplink spectrum monitoring for sparse overlay TDMA systems Spectrum monitoring measurements are made by microcell base stations in a layered cellular network, while not serving calls or engaged in processing calls. The microcell base station transmits a first control message from to a microcell mobile station, to increase t... | 09/14/2004 |
