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7002919 |
Method and system for guaranteeing quality of service for voice-over-IP services
A method and system are disclosed for providing voice communication over a packetized network in which quality of service is guaranteed for voice communications. The method involves identifying...
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7002908 |
Interconnection link redundancy in a modular switch node
The present invention provides interconnection links between modules in a switch node. A redundant physical link couples the modules and a dual state data packet routing tag is used to identify...
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6999463 |
Number portability in a communications system
A communication system is disclosed comprised of a signaling processor and an interworking system. The signaling processor receives a call setup message including a called number, processes the...
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6999451 |
Congestion-responsive VoIP system and congestion avoidance method for VoIP system
A congestion-responsive VoIP system according to the present invention can minimize an increase in transmission traffic by simplifying the transmission of congestion data and avoid the degradation...
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6999450 |
Ethernet based TDM switch
A method and apparatus for packetizing data framed as a TDM stream as an Ethernet packet. In an embodiment, the data is packetized into an Ethernet frame having a header which includes information...
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6996068 |
Audio testing in a packet switched network
An audio test system for analyzing and quantifying audio data losses during network-based telephony sessions between communication devices such as telephony-enabled computers and Internet...
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6996094 |
System and method for packet network media redirection
A system and method for a packet VRU which directly utilize packet network protocols, such as those of the H.323 standard, to provide enhanced services via a packet network. The packet VRU...
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6996092 |
IP-based base station system
A Base Station System (BSS) infrastructure is provided which is based on an IP or packet-based, connection-less protocol. Notably, the BSS disclosed can be implemented for any IP-based Radio Access...
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6993015 |
Apparatus for intercepting communication data in a packet network
A communication terminal apparatus and a communication intercepting apparatus performs a communication interception even on a communication network such as the Internet, an Intranet, or the like in...
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6993016 |
Methods and apparatus for transmission of analog channels over digital packet networks
Methods and apparatus are provided for tunneling (transparently transmitting) over a packet network, from a source to a destination, the spectrum of one or more bandpass channels individually...
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6990086 |
Method and system for label edge routing in a wireless network
A method for label edge routing in a wireless network is provided. The method includes providing a flow between an application of a mobile unit and a serving node. The flow includes an outbound...
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6988170 |
Scalable architecture based on single-chip multiprocessing
A chip-multiprocessing system with scalable architecture, including on a single chip: a plurality of processor cores; a two-level cache hierarchy; an intra-chip switch; one or more memory...
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6985960 |
Routing information mapping device in a network, method thereof and storage medium
An L bit for notifying another router of whether a self-router belongs to a connection-oriented network is newly provided in the options field of a conventional OSPF packet and the OSPF packet,...
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6985480 |
System, software and method for implementing an integrated, device independent, packet telephony framework software solution
A framework system serves to translate calls between dissimilar networks. More specifically, the framework system serves to translate calls between dissimilar packet networks and/or between a...
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6985576 |
Method and apparatus for automatic call distribution
An Internet Protocol (IP) call distribution system, for selecting agents to handle incoming requests from users, that uses publish/subscribe technology so that agent state does not need to be...
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6985479 |
Method and apparatus for processing internet protocol transmissions
Method and apparatus for data packet communications in a communication system. Packets are received at a gateway having an Internet Protocol (IP) destination address and Network Access Identifier...
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6982950 |
System and method for connecting a call in a tandem architecture
A system and method for connecting a call in a tandem architecture comprises a signaling processor for processing call signaling to determine connections for the user communications. A controllable...
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6980534 |
System and method for efficient selection of a packet data servicing node
A data communication system 10 is provided that allow for the efficient management of data communication sessions requested from a plurality of packet data servicing nodes ( 22–28 ) which are...
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6980544 |
Combining narrowband applications with broadband transport
The combination of narrowband applications with broadband transport is enabled by combining a first node having narrowband ability with a second node having broadband ability in which call control...
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6978383 |
Null-packet transmission from inside a firewall to open a communication window for an outside transmitter
A high-bandwidth direct communication path between two clients is used for voice or video calls over the Internet. An opening or a window in a firewall is made for the direct path by sending a null...
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6975625 |
Distributed call control processing
A network device and a method of distributed call control processing. The network device includes at least one port, at least two call processors, a memory, and a central processing unit. The...
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6973058 |
System and method for accessing a multi-line gateway using cordless telephony terminals
According to the present invention, simultaneous call-handling and data transfer is achieved between a terminal and a multi-line gateway in a cordless telephony environment. Multiple logical...
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6973076 |
Mobile communication network, terminal equipment, packet communication control method, and gateway
An IPv6 mobile packet communication network in which mobile VPN service can be provided without having to use a mobile tunnel. A control signal for enabling packet data transmission and reception...
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6973075 |
Computer program and method for modifying data tables in a telecommunications switch
A computer program and method that allows direct access and modification of the data tables ( 12 ) in voice-over-i.p. local routing switches ( 10 ) so that administrators can more easily modify...
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6970443 |
Dynamic allocation of wireless mobile nodes over an internet protocol (IP) network
A method is described of automatically locating and connecting a mobile wireless communications device to a packet-switched network such as the Internet. An Internet Protocol (IP) packet from a...
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6970451 |
Smart routers-simple optics: network architecture for IP over WDM
A system and method of routing communication signals is provided. A first technique uses a packet switched device that operates using Internet Protocol, the packet switched device determines one or...
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6967958 |
Communication-status notification apparatus for communication system, communication-status display apparatus, communication-status notification method, medium in which communication-status notification program is recorded and communication apparatus
A communication-status notification apparatus enabling a subscriber to observe various kinds of communication status in a network easily via the subscriber's own terminal in a communication system....
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6963561 |
Facility for transporting TDM streams over an asynchronous ethernet network using internet protocol
A transport facility adapted to transport TDM bit streams using IP packets over an asynchronous Ethernet network. TDM bit streams such as E1, T1, E3, T3, OC-3, OC-12, STM-1, STM-4, etc. are...
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6961335 |
Multi-layer ring architecture for fiber-to-the-home telco carrier network
A communications network, for example forming a local exchange carrier telephone network, utilizes three layers of fiber optic rings. The point of demarcation between customer premises media and...
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6961331 |
IP gateway apparatus
In an IP (Internet Protocol) gateway apparatus for storing a plurality of channels, voice signals supplied from the respective channels are packeted, and then the voice packets are sent out to an...
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6961574 |
Radio handset
A radio handset for browsing the Internet comprising a browser application, which allows a user of the handset to access the internet via a first transceiver means arranged to send radio packets to...
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6958993 |
Radio data communication system and method thereof
A radio data communication system includes a router and LAN (Local Area Network) switch connected to an IP (Internet Protocol) network. A private BTS (base station Transceiver Subsystem) exchanges...
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6959016 |
Method and apparatus for adjusting the timing of signals over fine and coarse ranges
A variable delay circuit is formed by a fine delay circuit and a coarse delay circuit. The fine delay circuit adjusts the delay of a delayed clock signal in relatively small phase increments with...
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6956848 |
Computer network-based auto-attendant method and apparatus
According to an embodiment of the present invention, a method for operating a telecommunications system includes a telephone call from an external telephone line, determining a computer network...
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6957065 |
Mobile communications network
A mobile communications network comprises a network manager for managing a plurality of mobile stations in the network, a first database holding subscriber information for mobile station...
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6954454 |
Architecture for a central office using IP technology
A telephony system and method having a switch for analog voice and data signals that is connected to a first network, and a router for routing Internet Protocol packets that is connected to a...
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6954456 |
Method for content-aware redirection and content renaming
The present invention is directed to mechanisms for content-aware redirection and content exchange/content discovery that permit a request for content to be redirected to a particular advantageous...
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6952403 |
Method and apparatus providing dial on demand scaling
A method and apparatus providing improved service in IP networks requiring switch circuit connections by allowing many local systems to establish a switched circuit connection to a remote system...
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6947739 |
Subscriber wireless access system
A subscriber wireless access system equipped with customer stations wirelessly connected to base stations and accommodating communication terminal devices in the customer stations. The system is...
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6947379 |
Packet routing to reduce susceptibility to disturbances
In a communications system, a network provides multiple physical paths for communicating packets between participants of communication sessions. During a communication session, elements of the...
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6944151 |
Apparatus and method to use a conventional telephone set to make telephone calls on a packet network
An apparatus and a method to use a telephone set to place telephone calls on a packet network and to route telephone calls between a telephone set, a telephone line, Local Area Network and packet...
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6940858 |
Method for establishing a route via a communications network
Proceeding from a source terminal device a connection setup message is communicated to a network node of the communication network A network node receiving the connection setup message enters the...
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6937597 |
Signaling method for internet telephony
A method for creating, modifying, and terminating connections between Internet end systems, particularly, although not exclusively, for Internet telephony communication. The method relies on...
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6937598 |
Method and apparatus for transporting ATM cell traffic over IP networks
A method and apparatus for transporting Asynchronous Transfer Mode protocol cells over an Internet Protocol backbone network is disclosed herein. ATM signaling cells are initially received at a...
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6934282 |
Gateway system for voice communication and controlling method thereof
A gateway system for voice communication and its controlling method are provided in which a voice signal transmitted from terminals is compressed to be transmitted to the Internet and the...
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6934279 |
Controlling voice communications over a data network
A method and apparatus of communicating over a data network includes providing a user interface in a control system for call control and to display information relating to a call session. The...
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6934274 |
Mobile IP communication scheme using dynamic address allocation protocol
A mobile IP communication scheme in which the mobile computer can be operated using the mobile communication protocol such as Mobile IP even in the case where the home network is operated by the...
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6931028 |
Scaleable RSVP signaling between VoIP dial-peers for tandem voice solutions
A method for high quality voice communication over an IP network. The method is implemented using an IP network device. Voice communication quality of service is initiated through the transmission...
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6931000 |
Internal line control system
In an internal line control system, a telephone having an Internet protocol (IP) and capable of being connected to the Internet through the communication mode, includes a device for storing an IP...
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6928082 |
System and method for determining a connectionless communication path for communicating audio data through an address and port translation device
A method of audio communication utilizing media datagrams between a first telephony client located behind a network address translation (NAT) server and a remote second telephony client is...
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