Class / Patent application number | Description | Number of patent applications / Date published |
370353000 | Switching network having common elements to handle both circuit switched traffic and packet switched traffic | 29 |
20080310404 | Local Switching In Radio Access Networks - The invention relates to a telecommunication system, to a local media gateway, to an MSC server, to a radio base station and to a radio network controller for set-up, release and control of local calls in the telecommunication system. The telecommunication system comprises a core network and at least a radio access network ( | 12-18-2008 |
20080317009 | Arrangement For Implementing Voice Transmission - The invention relates to an arrangement for implementing voice transmission using a subscriber line of a public switched telephone network in a system having a concentrator network part connected to the subscriber line for connecting a plurality of subscriber lines to a data transmission network. The concentrator network part includes voice traffic processing equipment, which are arranged to perform a conversion between analog voice signals of the subscriber lines and IP voice packets. It further includes transceiver and multiplexing equipment for transmitting and receiving data transferred over analog subscriber lines, and packet traffic switching equipment, which are arranged to receive and transmit packets between the voice traffic processing equipment and a core network and between the transceiver and multiplexing equipment and a core network. | 12-25-2008 |
20090003324 | METHOD AND SYSTEM FOR CALL ADMISSION CONTROL IN A WIRELESS MESH NETWORK - A method and system for call capacity control in a mesh network are disclosed. The mesh network uses on-device SIP proxy and includes multiple client devices, mesh points (“MPs”), and mesh access points (“MAPs”). The method of updating call capacity information (“CCI”) is also disclosed. Adaptive Wireless Routing (“AWR”) protocol is used to establish connectivity among all the mesh access points. Messages are sent to one or more of the plurality of nodes on a periodic basis or as triggered by changes in the call capacity of an MAP, wherein the routing update messages include call capacity information. CAC modules on mesh portals or mesh access points can use the call capacity information to build up a CCI database for all the MAPs in the mesh cloud to assist in the CAC decision-making. | 01-01-2009 |
20090003325 | METHOD AND SYSTEM FOR ENFORCING PROXY USE WITHIN AN ENTERPRISE COMMUNICATIONS SYSTEM - A method and system for enforcing the user of a proxy server within an enterprise communication system. The system includes an enterprise voice application server configured to act as a SIP proxy to client devices, and a private branch exchange configured to act as a SIP registrar. The client devices are configured to evaluate incoming SIP requests to determine whether they were received via the enterprise voice application server and, if not, to respond with a SIP 305 Use Proxy message referencing the enterprise voice application server in a Contact field. The 305 Use Proxy message forces the PBX or other intermediate SIP server to reroute the SIP request and any subsequent SIP requests in the dialog through the enterprise voice application server. | 01-01-2009 |
20090034516 | CALL TRANSFER WITH MULTIPLE APPLICATION SERVERS IN SESSION INITIATION PROTOCOL-BASED NETWORK - Call transfer techniques between multiple application servers in a SIP-based network or other type of communication network are disclosed. In accordance with one example technique of the invention, it is assumed that a first call is established between a first user device and a second user device via a first server, and the second user device, wishing to initiate a call transfer to a third user device, establishes a second call between itself and the third user device via a second server. Thus, the technique includes the following steps. Upon the first server receiving a call transfer request from the second user device such that the first user device and the third user device can communicate, it is determined whether the first server has information that matches the second call. Upon determining that the first server does not have information matching the second call, a message is sent from the first server to the second server so as to obtain information from the third device such that the first user device and the third user device can communicate via the first server. The message sent from the first server to the second server indicates that the call transfer request was referred by the second user device. | 02-05-2009 |
20090067414 | Systems and Methods for Communicating Documents - A system includes telephone and packet-switched network interfaces and a translator. The translator receives messages. Outgoing messages originate from a multiple-function peripheral (MFP) and are received via a transfer agent (TA). Outgoing e-mail messages include an attached file in an image file format. The translator removes and delivers the attachment in facsimile format. Incoming fax messages are attached to an e-mail message. The TA receives and relays the e-mail message to an identified MFP, which discards the e-mail message and prints the attachment. A method for processing fax messages includes associating an identifier with a MFP, receiving a fax intended for the MFP, generating an e-mail message with an attachment representing the fax and communicating the e-mail message to a transfer agent that relays the e-mail to the MFP, which discards the e-mail body and prints the attachment. | 03-12-2009 |
20090168766 | Inter-Technology Bridging Over Access Points - A radio node bridges a first communication session from an access terminal using a first communication protocol to a network using a second communication protocol, and requests that a second communication session between the access terminal and the network be established, the second communication session using the first communication protocol. The radio node receives instructions for the access terminal to join the second session and instructs the access terminal to transfer an active call from the first session to the second session. | 07-02-2009 |
20090190579 | Service routing decision entity - A service routing decision entity and method are described for a system that comprises a circuit switched subsystem, an Internet protocol multimedia system subsystem and at least one mobile terminal suitable for communication with the two subsystems. The two subsystems provide overlapping services. The service routing decision entity and method are arranged to make a routing decision associated with a given service involving the mobile terminal with respect to routing the given service via one or both of the circuit switched subsystem and the Internet protocol multimedia system subsystem, based on predetermined decision information. | 07-30-2009 |
20090207837 | Apparatus and method for allocating media resources - A Media Resource Routing module for a VoIP network having a Host Media Processing and a Media Resource Board. The Media Resource Routing module includes a status list module indicating available resources of the Host Media Processing and available channels on the Media Resource Board and switches for routing communications based on data in the status list so that resources are used efficiently. | 08-20-2009 |
20090268725 | METHOD FOR SELECTION AND ROUTING OF AN OUTBOUND VOICE CALL TO AN APPROPRIATE NETWORK FOR COMPLETION - A method of initiating a call includes receiving an identifier associated with a called party, the identifier being generated by a telephone handset. The method further includes determining a network category associated with the called party and generating an instruction to initiate a call by the telephone handset on one of at least two networks accessible for communication by the telephone handset. The one of at least two networks is selected by the instruction in response to the determined network category associated with the called party. | 10-29-2009 |
20100208727 | Systems and methods for generating power in a communications system - Systems and methods by which voice/data communications may occur in multiple modes/protocols are disclosed. In particular, systems and methods are provided for multiple native mode/protocol voice and data transmissions and receptions with a computing system having a multi-bus structure, including, for example, a TDM bus and a packet bus, and multi-protocol framing engines. Such systems preferably include subsystem functions such as PBX, voice mail and other telephony functions, LAN hub and data router or switch functions. In preferred embodiments, a TDM bus and a packet bus are intelligently bridged and managed, thereby enabling such multiple mode/protocol voice and data transmissions to be intelligently managed and controlled with a single, integrated system. In particular, systems and methods for generating required telephony voltages directly on station cards, rather than on the basis of a large, central ringing or other power supply that supply such telephony voltages to each of the station cards, are disclosed. In accordance with the present invention, a plurality of station cards are provided in the telephony or communications system. One or more DC power supplies provide a source of DC voltage, such as 12 volts, to each of the station cards. The station cards are coupled to a processor of the system. The station cards may support a plurality of analog and/or digital telephony devices, such as telephones facsimile, voice mail, recording, speakerphone, conferencing or other type telephony devices. | 08-19-2010 |
20100254376 | BRANCH CALLING AND CALLER ID BASED CALL ROUTING TELEPHONE FEATURES - A caller ID based call routing feature is described for blocked and non-blocked caller ID's. A processing system in the public switched telephone network (PSTN) receives first identifying information for identify the source of a telephone call and associates additional information stored in a memory with the first identifying information. The additional information may be information about the calling party initially downloaded to the memory by a subscriber. Once retrieved from the memory by the processing system, the additional information may then be transmitted to the subscriber via the Internet for display on a monitor or to the subscriber's telephone for display on a telephone display. Another feature described is a branch calling feature where the subscriber may program a processing system within the PSTN to forward an incoming call to two or more end units (e.g., telephones) simultaneously. If the call at an end unit is answered, answer supervision signaling is transmitted back to the processing system which then terminates all other calls. The processing system then connects the calling party to the subscriber. The branch calling may be made for any combination of local, long distance, and cellular telephone numbers. | 10-07-2010 |
20110051721 | REDUNDANCY AND WIRELESS SWITCHOVER IN POWERLINE COMMUNICATION SYSTEMS - The present invention discloses a system and method to use powerline and wireless communications for delivery of data and voice messages over IP (Internet Protocol). In order to achieve high reliability in communication service over powerline, wireless network is used as a redundant network to switch over in case of failover. The invention provides an integrated algorithm that provides seamless switching between powerline and wireless communication methods in real time. | 03-03-2011 |
20110134914 | FACSIMILE PASSTHROUGH SILENCE SUPPRESSION - A facsimile transmission device implements silence suppression based on a state of a facsimile call and detected facsimile signals. A decision process implemented in the facsimile device can determine when silence suppression should be enabled. The facsimile device may be an IP media gateway connected between a PSTN and an IP network, or may be an IP endpoint. The determination of when to enable silence suppression can be based on the state of sending or receiving facsimile transmissions including facsimile operations and/or signaling. The decisions can be based on the type of facsimile transmission including G3 type or SG3 type facsimile transmissions. By enabling silence suppression during facsimile transmissions, significant reductions in bandwidth requirements can be achieved for the facsimile transmission while maintaining facsimile transmission quality. | 06-09-2011 |
20120044932 | ROUTING A VOIP CALL WITH CONTEXTUAL INFORMATION - A method and system for routing a call connection signal and corresponding contextual information to an appropriate destination is provided. A call center and at least one user may exchange signals, and/or contextual information during a call set-up phase. Relevant contextual information and other detailed information may be identified and collected from their corresponding sources. Based on the relevant contextual information and other detailed information, one or more appropriate routed destinations may be determined. In addition, contextual information may be tailored for each of the determined routed destinations. The call connection signal and the tailored contextual information are routed to each routed destination. In this manner, necessary contextual information may be readily available for the routed destination at the time of the call connection and thus the routed destination can provide a faster service. | 02-23-2012 |
20120069840 | METHOD AND SYSTEM FOR CIRCUIT-SWITCHED CORE NETWORK EVOLUTION, AND NETWORK DEVICE - Embodiments of the present invention disclose a method and a system for CS core network evolution, and a network device. The evolution method includes: EMSC connects with an IMS network and serves as a TAS in the IMS network to provide a voice service for a user in the IMS network, where the EMSC is obtained by upgrading a Mobile Switching Center Server in a CS core network and possesses functions of the TAS in the IMS network; and performing, by the EMSC, service processing on a service request for an existing service, and sending a service request for a new service to a corresponding application server in the IMS network for processing, wherein the service request for an existing service and the service request for a new service are initiated by a CS user who has subscribed to a new service. | 03-22-2012 |
20120120947 | Method and Apparatus for Supporting Call Control of Circuit Domain Telephone and VoIP - A method and apparatus for supporting call control of circuit domain telephone and Voice over IP (VoIP) are provided by the present invention, and the apparatus includes a call flow control module, which is for receiving and storing off-hook events and judging if the user makes a circuit domain telephone call or VoIP call according to the number dialed by the user; if making a VoIP call, sending the off-hook event to a VOIP call control module, and sending all the events in the present call to the VoIP call control module for processing; if making a circuit domain telephone call, sending the off-hook event to a circuit domain telephone call control module, and sending all the events in the present call to the circuit domain telephone call control module for processing. | 05-17-2012 |
20120236848 | METHOD AND SYSTEM FOR PROVIDING VOIP SERVICES - A VOIP service and method is provided which comprises an redirecting dialer device (RDD), which connects a telephone to a POTS circuit. Responsive to DTMF signals from the telephone representative of a long telephone distance number, the RDD intercept the DTMF signals and transits alternative DTMF signals representative of an alternative telephone number of a PSTN/VOIP gateway server. Once connected to the PSTN/VOIP gateway server, the RDD then transmits the DTMF signals associated with the original long distance number. The VOIP gateway server is operative to convert the analog signals from the telephone into digital and packetized VOIP data which is transmitted through a public or private IP-based network to a remote telecommunication device associated with the original long distance telephone number. If the DTMF signals from the telephone are representative of a local telephone number, the RDD is operative to forgo transmitting the alternative DTMF signals. | 09-20-2012 |
20120269189 | APPARATUS FOR HYBRID-TRANSMITTING AND BRIDGING OF A CIRCUIT SERVICE AND A PACKET SERVICE - An apparatus and a system for hybrid-transmitting and bridging of a circuit service and a packet service are provided. The apparatus includes a TDM framing unit, a TDM three-direction cross unit, and a mapping and encapsulating unit. The TDM framing unit implements conversion between a line layer TDM signal outside the apparatus and channel layer TDM signals inside the apparatus, and transmits the channel layer TDM signals to the TDM three-direction cross unit. The TDM three-direction cross unit implements cross scheduling on the channel layer TDM signals from a TDM cross apparatus, the mapping and encapsulating unit, and the TDM framing unit. The mapping and encapsulating unit implements conversion between a channel layer TDM signal from the TDM three-direction cross unit and packet service signals from the packet processing unit. | 10-25-2012 |
20130003725 | Universal Network Interface Controller - A universal network interface controller (UNIC) is provided for interfacing a host computer to a switch fabric, a packet network, or both. The UNIC includes ingress transmit logic designed to transmit switch fabric data in memory associated with the host computer to a switch fabric. The UNIC further includes egress receive logic designed to receive switch fabric data from the switch fabric to store the received switch fabric data in the host memory associated with the host computer. As an option, the ingress transmit logic may be further designed to transmit packet network data in memory associated with the host computer to a packet network, such as Ethernet, and the egress receive logic may be further designed to receive the packet network data from the packet network and to store the received switch fabric data and the received packet network data in the host memory associated with the host computer. | 01-03-2013 |
20130089088 | METHOD AND APPARATUS FOR ENABLING CUSTOMER PREMISES PUBLIC BRANCH EXCHANGE SERVICE FEATURE PROCESSING - A method and apparatus for enabling customer premise Public Branch eXchange (PBX) service feature processing to be performed in a service provider network are disclosed. For example, the method receives a signaling message associated with a user, and accesses a customer premise Internet Protocol (IP) Public Branch eXchange (PBX) to retrieve customer premise IP PBX based service logic and data associated with the user by a Serving Call Session Control Function (S-CSCF) network element. The method then completes a service feature associated with the service logic and data in the communication network. | 04-11-2013 |
20130294444 | METHOD AND APPARATUS FOR VOICE TRAFFIC MANAGEMENT IN A DATA NETWORK - Method and apparatus for voice traffic management in a data network includes establishing a default maximum bandwidth setting at a LAN egress port when voice-type traffic is not present in a LAN portion of the data network, detecting voice-type traffic, reducing the bandwidth setting at the LAN egress port to effect a change in a rate of non voice type traffic and monitoring non voice type traffic and voice quality statistics to determine if the rate of non voice type traffic entering the data network has changed. Once the desired change has occurred, performing a linear increase of the bandwidth setting at the LAN egress port to a first value while monitoring voice quality statistics, determining if voice quality has degraded during increase of the bandwidth setting and repeating the last two steps if voice quality has not degraded. | 11-07-2013 |
20150043573 | TELEPHONE NETWORK ACCESS DEVICE - A telephone network access device switchable between a VOIP service and a PSTN service includes an Rj-11 port, a voice splitter, a first relay, a second relay, a SLIC chip, a CPU, and a ring detection unit. The ring detection unit outputs a first switch signal in response to detecting a ring signal of a PSTN communication. The second relay connects the telephone to the VOIP network in response to a power on event. The CPU controls the first relay and the second relay to connect the telephone to the PSTN network in response to the CPU receiving the first switch signal, and controls the second relay to reconnect the telephone to the VOIP network when the PSTN communication ends. | 02-12-2015 |
20150071282 | ARCHITECTURE AND METHOD FOR HYBRID CIRCUIT-SWITCHED AND PACKET-SWITCHED ROUTER - Techniques and mechanisms for performing circuit-switched routing and packet-switched routing for network communication. In an embodiment, a router evaluates control information of a packet received by the router, the evaluation to detect whether the packet includes data for a sideband communication. Based on the evaluation, the router performs a selection from among a plurality of modes of the router, the plurality of modes including a first mode to route the packet for packet-switched communication of sideband data in a network. The plurality of modes also includes a second mode to configure a circuit-switched channel according to the packet. In another embodiment, the router determines a direction for routing a packet in a hierarchical network, wherein the determining of the direction is based on a level of the router in a hierarchy of the hierarchical network. | 03-12-2015 |
20150085858 | MIXED MEDIA CALL ROUTING - In one aspect, a method of mixed media communication is provided. The method includes initializing, via an electronic device, a session associated with a sender device, the session including data of a first media type; determining a destination for the data of a first media type, the determination based on the first media type and available destination information; providing the data of the first media type to the determined destination; receiving data of a second media type for the session with the sender device; determining a second destination for the data of the second media type, the determination based on the second media type and the available destination information; and providing the data of the second media type to the second destination. A device and computer-readable medium for mixed media communication are also described. | 03-26-2015 |
20150092770 | EMULATING CIRCUIT SWITCHING IN ETHERNET USING AN ETHERNET CIRCUIT HEADER - A device for emulating circuit switching in Ethernet using an Ethernet circuit header (ECH) includes a node of a network that is configured to receive a packet. A control module may be configured to determine that a destination address portion of a data frame associated with the packet matches a predefined format. A parser module may be configured to parse an ECH portion of the destination address to identify a circuit-identification (ID). A look-up module may be configured to look up the circuit ID in a circuit-ID table using at least one of a plurality of key options to generate a look-up-result data. The control module may be configured to use the look-up-result data to direct the packet to a destination interface of a destination node. | 04-02-2015 |
20160156785 | GATE WAY DEVICE, COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND COMMUNICATION PROGRAM | 06-02-2016 |
20160182405 | ADAPTIVELY SWITCHED NETWORK-ON-CHIP | 06-23-2016 |
20160191425 | SWITCH ASSEMBLY - A technique includes using circuit switches to selectively couple packet switches of a switch assembly to the port connectors of the assembly. | 06-30-2016 |