Class / Patent application number | Description | Number of patent applications / Date published |
370356000 | Routing circuit switched traffic through a packet switching network | 49 |
20080212574 | Synchronization of Vodsl of Dslam Connected Only to Ethernet - A forwarding unit such as a DSLAM ( | 09-04-2008 |
20080212575 | Codec Rate Adaptation as a Function of Air-Interface as Wel as Network in a Packet-Based Network - Codec rate adaptation for wireless circuit-switched voice communications routed through a packet-based network. A Mobile Station (MS) preferably with Circuit Switched services participating in a voice communication with a distant terminal transmits an initial CMR identifying an initial maximum speech coding rate selected as a function of a downlink radio quality. At each intermediate network node, one or more operational parameters are determined by using an Explicit Congestion Notification (ECN) protocol. When a CMR is received at each network node, if the operational parameters are not within a predetermined range suitable for the transmission of speech packets through the network using the initial maximum speech coding rate the maximum speech coding rate identified in the CMR is reduced as a function of the operational parameters and then forwarded toward the distant terminal. | 09-04-2008 |
20080212576 | COMMUNICATIONS METHODS, SYSTEM AND APPARATUS - Various methods and apparatus are directed to providing enhanced functionality and fault tolerance in a system which distributes home agent functionality between a home agent control node and a tunneling node, referred to herein as a home agent tunneling node, which performs packet forwarding under direction of the home agent control node. The distributed home agent approach is enhanced in some embodiments to provide redundancy of home agent control nodes and/or home agent tunneling nodes. Thus, in accordance with some embodiments if a home agent control node fails, the secondary home agent control node can take over the home agent control function. Various embodiments describe various methods, apparatus, and/or messages in addition to system configurations, which can be used to maintain primary and secondary home agent control and facilitate a rapid transfer of functions between primary and secondary nodes. | 09-04-2008 |
20080240088 | Mobile Body Communication System, Mobile Body Communication Method, and Mobile Body Communication Base Station Device - In the IP adapted mobile body communication system, a call receiving procedure according to a paging area providing method is provided, and an existing mobile body communication system and a VoIP-based mobile body communication system can be used at the same time. | 10-02-2008 |
20080259911 | Methods and Apparatus for Distributing and Acquiring Overhead Flow Data in a Multi-Frequency Network - Methods and apparatus for distributing and acquiring overhead flow data in a multi-frequency network. In an aspect, a method includes generating initial acquisition flows (IAFs) that describe how content multiplexes are distributed in the multi-frequency network and provide flow identifiers for overhead flows associated with the content multiplexes, and transmitting the IAFs on pre-assigned flow identifiers. Another method includes receiving IAFs that describe how content multiplexes are distributed in the multi-frequency network and specify flow identifiers for overhead flows associated with the content multiplexes, wherein the IAFs are received using pre-assigned flow identifiers, processing the IAFs to determine VM sets associated with current wide and local areas of the multi-frequency network, determining overhead flow related information associated with selected content multiplexes in the VM sets, and acquiring overhead flow data associated with the selected content multiplexes using the associated flow identifiers. | 10-23-2008 |
20080259912 | ASSISTED WIRELESS TRANSMIT/RECEIVE UNIT PAGING AND CALL SESSION ROUTING - A method and apparatus are disclosed for communicating with a Wireless Transmit/Receive Unit in wireless communications. The WTRU, capable of communicating in a 3GPP network and a non-3GPP network, receives messages with the assistance of the non-3GPP network through a Paging Entity. | 10-23-2008 |
20080267174 | Method, Apparatus And Software For Providing Communications Between A Packet Switched Network And A Public Switched Telephone Network - A method, apparatus and software is disclosed in which a gateway server provides communications between an Internet Protocol (IP) network and Public Switched Telephone Network (PSTN) to enable messaging between an IN server device in the PSTN and a Session Initiation Protocol (SIP) Application Server (AS) on the IP network. | 10-30-2008 |
20080291906 | Stateful switching between reliable transport modules for communicating with an external peer without losing the transport layer connection - Disclosed are, inter alia, methods, apparatus, and means for stateful switching between reliable transport modules for communicating with an external peer without losing the transport layer connection. Primary and standby reliable transport protocol modules each maintain state concerning the reliable transport connection (e.g., data, segmentation, acknowledgements) such that if the primary or standby reliable transport protocol module fails, the other can resume by itself such that the communication with the peer transport application does not need to be restarted. Also, by the communications subsystem of a device providing copies of received reliable transport protocol messages directly to both the primary and standby reliable transport protocol modules, upon failover, the communications subsystem does not need to be reconfigured for resuming operations as, for example, the standby reliable transport protocol module will already be receiving these packets. | 11-27-2008 |
20080298352 | Method for portable fixed line - The present invention provides a method to make a fixed line of telephone network virtually portable, particularly to a method of expansion of a plain old telephone service, to be able to provide new communication service via Internet for a subscriber by integrating phone adapter with software phone terminal, comprising: firstly, a call request with ringing signal is sent from PSTN; and then receiving the call request by an adapter; re-sending the call request with ringing signal to a telephone connected to adapter, and concurrently resending the call request to a center management system via Internet and then to a software phone; next, receiving the response with answer signal by the adapter from either the telephone or the software phone; and finally, communicating between a remote terminal of PSTN and response terminal. | 12-04-2008 |
20080298353 | INTERWORKING NETWORK ELEMENT, INTERWORKING SYSTEM BETWEEN THE CSI TERMINAL AND THE IMS TERMINAL AND THE METHOD THEREOF - An interworking network element, an interworking system between the CSI terminal and the IMS terminal and the method thereof, which relate to the communication technology, enable the CSI terminal and the IMS terminal to interwork and the effective bearing link to be established according to the actual requirement. The interworking network element CSI-IW is added at the network of the called side between the CSI terminal and the IMS terminal. The network element receives the session request from the IMS terminal, determines whether there is need to separate the IMS session including the real time media request and non-real time media request into the two IMS sessions including the real time media request and non-real time media request respectively, and chooses the CS domain or the IMS domain to end the call according to the attribute information of the session, the ability for accessing the network, the ability of the terminal etc, so that the real time session can be borne by the CS domain as possible as it can. | 12-04-2008 |
20080304476 | ETHERNET OVER MPLS CIRCUIT EMULATION SERVICE - A method and apparatus are provided for providing CES using both Ethernet and MPLS networks. TDM data is packetized and Ethernet encapsulated, and then MPLS encapsulated. Following insertion into an MPLS core network, the packet is routed to a destination MPLS router using MPLS routing. The MPLS encapsulation is then removed, and the resulting Ethernet frame inserted into a destination Ethernet network. The Ethernet frame is routed to a destination Ethernet port using Ethernet routing. The TDM data is extracted, and inserted into the appropriate TDM channel. The invention allows inexpensive Ethernet equipment to be used at the boundary with the TDM network, and a reliable MPLS network with its QoS functionality to be used for any long-haul part of the CES. | 12-11-2008 |
20080310406 | Method And System For Implementing Self Service By Using Circuit Switched Terminal - A method and a system for implementing a self service by using a circuit switched terminal are provided. The method includes receiving a self-service signaling associated with a self service from a circuit switched terminal; and converting the self-service signaling to a self service request, which is adapted to indicate an IMS network entity associated with the self service to conduct a service data configuration; and sending the self service request to the IMS network entity associated with the self service. The solution provided enables a user using the conventional circuit switched terminal to conveniently implement the self service such as registration activation, registration cancellation, and authentication of the self service. | 12-18-2008 |
20080317011 | VOIP MULTILINE FAILOVER - Tools and techniques are provided to provide Voice-over-IP (VoIP) communications. On receiving a user request to initiate a telephonic connection from a local site, at which the user is using a VoIP telecommunication device which has no link failover functionality, a system establishes over wide area network links at least two tunnels between a controller at the local site and another controller. Then the system transmits VoIP traffic over at least one of the tunnels from the controller at the local site to the other controller. The system also detects failure of the primary tunnel during the call and performs failover by changing a data path during the call to transmit packets over at least one non-failed tunnel. | 12-25-2008 |
20090016331 | Path diversity index for use in route selection - In one embodiment, a method includes receiving at a network device information on paths to a destination node, determining a number of common nodes or links between at least two of the paths, calculating a path diversity index based on the number of common nodes or links, and selecting a route to the destination node based on the path diversity index. An apparatus for calculating path diversity index for use in route selection is also disclosed. | 01-15-2009 |
20090022148 | VOICE OVER INTERNET PROTOCOL SYSTEM AND METHOD FOR PROCESSING OF TELEPHONIC VOICE OVER A DATA NETWORK - A method and system for processing of telephonic voice over a data network, such as the Internet, which includes a signaling protocol with little overhead and allows for dynamic connections to a host. The system uses a signaling protocol which creates an ad hoc connection to the host which reduces the per packet information necessary to conduct the communication. The system provides for quick and efficient establishment of communications from multiple remote locations to a central host. Each remote location may only connect to the host or a redundant host. | 01-22-2009 |
20090028138 | Integrated internet telephony system and signaling method thereof - A VoIP network includes an integrated Internet telephony system having an all-in-one architecture in which an application layer gateway function, a signaling processing function and a media processing function are integrated. The integrated Internet telephony system performs ALG processing on a packet bound to a first address and processes a signaling message bound to a second address so as to set up a call session between an external SIP terminal connected to a public network and an internal SIP terminal connected to a private network, and performs media processing on an RTP packet based on a third address, the RTP packet exchanged through the call session. A SIP signaling gateway function, a media gateway function and SIP-ALG function are installed in one chip, and respective functions are allocated with different IP addresses by the application of a virtual interface and aliasing IP addresses. | 01-29-2009 |
20090059908 | Routing protocol with packet network attributes for improved route selection - A node for routing of calls in a network has an interface coupled to the network and at least one processor operable to route a packet-based call to a telephony destination in accordance with a protocol that includes a set of attributes that describe packet-network routing characteristics of one or more Internet Protocol (IP)-IP gateway devices in the network. The attributes are used by the at least one processor to specify a call route through an IP-IP gateway device for the packet-based call. The set of attributes include a first attribute that identifies a total administratively provisioned bandwidth capacity available on a given call route to accommodate application traffic, and a second attribute that identifies a current bandwidth that is available on the given call route to accommodate the application traffic at a given point in time. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b). | 03-05-2009 |
20090067417 | Method and apparatus for supporting SIP/IMS-based femtocells - A femtocell is integrated into a core network so as to securely and efficiently deliver one or more mobile services to an end user on an existing mobile device over a broadband connection. This integration can be into a basic Internet Protocol (IP)-based network, or an IMS-based network. In an illustrated embodiment, a femtocell is integrated to a SIP- or IMS-based network using a “convergence” server. The convergence server preferably is a SIP-based fixed mobile convergence (FMC) application server that provides an all-IP approach to core network integration for femtocells. The convergence server provides a number of high level functions including secure access of an end user mobile device into the core network through the femtocell (which involves authenticating the femtocell as well as a specific end user mobile device), single number voice and messaging services (by updating an end user's location to be the femtocell), mobility (to support handover between the femtocell and macro cell networks), delivery of supplementary services (such as call waiting, call hold, caller ID, three-way calling, and the like) on the femtocell network, and the delivery of new and advanced services (such as home landline routing, mobile TV, multimedia downloads and the like). | 03-12-2009 |
20090080416 | Mechanism for Protecting H.323 Networks for Call Set-Up Functions - In a network in which to set up a call to a called endpoint a calling endpoint sends ( | 03-26-2009 |
20090092131 | Method and Device for Rejecting Redundantly Retransmitted SIP Messages - A method for rejecting received SIP messages which are redundantly retransmitted used in a Session Initiation Protocol (SIP) application architecture. In one embodiment, the method comprises: forwarding all the messages transmitted from a SIP application server to a SIP terminal, and dropping all the received SIP messages redundantly retransmitted from the SIP terminal to the SIP application server according to the transmission direction of said SIP messages; and correspondingly replying to the dropped SIP messages according to the message type thereof. The present invention also provides a corresponding retransmission rejection device and a network device comprising the same, and further provides a method and device for rapidly rejecting redundantly retransmitted SIP messages in the case where the memory space is limited. The present invention can be applied to a network device such as a SIP stateless proxy at a front end of a SIP application server cluster. | 04-09-2009 |
20090103527 | TELECOMMUNICATION AND MULTIMEDIA MANAGEMENT METHOD AND APPARATUS - An method for improving the ability of a recipient to review time-sensitive media upon receipt when network conditions are poor. The method includes ascertaining if media to be sent from a sending node to a receiving node is time-sensitive and ascertaining if there is sufficient bandwidth for transmitting a full bit rate representation of the media at a first bit rate and at a first packetization interval. If the bandwidth is sufficient, the full bit rate representation is transmitted. If the bandwidth is insufficient, then a reduced bit rate representation of the media is generated and transmitted. The reduced bit rate representation is generated by performing one or more of the following (i) using fewer bits per unit time of media when packetizing the media relative to the full bit rate representation; (ii) increasing the packetization interval for the packets used to transmit the reduced bit rate representation; and (iii) adjusting the rate of transmission of the packets used to packetized the reduced bit rate representation of the media. | 04-23-2009 |
20090103528 | TELECOMMUNICATION AND MULTIMEDIA MANAGEMENT METHOD AND APPARATUS - An apparatus for improving the ability of a recipient to review time-sensitive media upon receipt when network conditions are poor. The apparatus includes a media ascertaining element configured to ascertain if media to be sent from a sending node to a receiving node is time-sensitive. A bandwidth-ascertaining element ascertains if there is sufficient bandwidth for transmitting a full bit rate representation of the media at a first bit rate and at a first packetization interval. If the bandwidth is sufficient, a transmitter transmits the full bit rate representation of the media. If the bandwidth is insufficient, then the transmitter generates and transmits a reduced bit rate representation of the media. The reduced bit rate representation is generated by performing one or more of the following (i) using fewer bits per unit time of media when packetizing the media relative to the full bit rate representation; (ii) increasing the packetization interval for the packets used to transmit the reduced bit rate representation; and (iii) adjusting the rate of transmission of the packets used to packetized the reduced bit rate representation of the media. | 04-23-2009 |
20090103529 | TELECOMMUNICATION AND MULTIMEDIA MANAGEMENT METHOD AND APPARATUS - A method for transferring a complete copy of media designated as time sensitive over a network. The method involves ascertaining if conditions on the network are adequate to transmit a full bit rate representation of media designated as time-sensitive at a first bit rate and a first packetization interval between a sending node and a receiving node over the network, where the full bit rate representation being derived from when the time-sensitive media was originally encoded. If the network conditions are ascertained as being inadequate, then a reduced bit rate representation of the media designated as time-sensitive is generated and transmitted to the receiving node. At the receiving node, receipt reports are generated identifying the received reduced bit rate representation of the media. The receipt reports are transmitted to the sending node, where, in response, the corresponding full bit rate representation of the media is retransmitted. Eventually a complete full bit representation of the media is obtained at the receiving node after the retransmitted media is received. | 04-23-2009 |
20090109965 | METHOD OF PROVIDING VOICE OVER IP AT PREDEFINED QoS LEVELS - The present invention is a technique for provisioning and assessment of voice quality in Internet Protocol (IP) voice applications. A predetermined quality of service (QoS) is received from a user in the form of an acceptable packet loss. The technique measures current packet loss and delay in the network and in the terminal, and determines and optimum play-out delay for the use by a play-out adaptation routine. An actual QoS is reported back to the user. To enhance packet delay and loss measurement, a QoS engine component is placed on the terminal side of the packetizer, therefore including packetizer losses in any measurement of the network. | 04-30-2009 |
20090129375 | Method and Apparatus for Transmission of Circuit Switched Voice Over Packet Switched Networks - Systems and methodologies are described that facilitate and/or effectuate transmission of circuit switched voice over packet switched networks. The systems and methodologies provide for the receiving a first packet originating from access terminals and/or user equipment, determining within which hybrid automatic repeat request (HARQ) the first packet is received, ascertaining an amount of delay that is applied to the first packet before the first packet is forwarded into a core circuit switched network; and establishing a periodic time interval within which to convey subsequent packets that originate from the communicating access terminal and/or user equipment. | 05-21-2009 |
20090161666 | METHODS AND APPARATUS TO ENABLE CALL COMPLETION IN INTERNET PROTOCOL COMMUNICATION NETWORKS - Methods and apparatus to enable call completion in Internet protocol communication networks are disclosed. An example method of processing a voice over Internet protocol call disclosed herein comprises failing to receive a response to a request for a numeric Internet protocol (IP) address of a destination device from a domain name system (DNS) server, querying a telephone number mapping (ENUM) server for the numeric IP address, and sending an invite message to process the call when the numeric IP address is received from the ENUM server. | 06-25-2009 |
20100008357 | SWITCHING ARCHITECTURE WITH PACKET ENCAPSULATION - The invention includes, among other things, a system for passing TDM traffic through a packet switch. In one embodiment, the system includes a packet switch that has a plurality of data ports and is capable of routing FSDU packets between the plurality of data ports. A TDM encapsulation circuit process a TDM data flow that is incoming to the switch. A circuit demultiplexer processes the incoming data flow to buffer data associated with different TDM circuits into different buffer locations. A timer monitors the amount of time available to fill the FSDU, and when the time period reaches the frame boundary, an FSDU generator generates an FSDU that is filled with data associated with the TDM circuits. Header information is added for allowing the packet switch to route the generated FSDU to a port associated with the respective TDM circuit. | 01-14-2010 |
20100040052 | Method and System to Bypass ENUM to Reach a Callee via a PSTN or a PLMN - At least one telephone network element receives an attempt of a caller to place a telephone call to a callee. A telephone number for the call is registered in a telephone number mapping (ENUM) database to receive incoming telephone calls via a Voice over Internet Protocol (VoIP) network. The at least one telephone network element receives an indication of a preference of the caller to carry the telephone call via one of a public switched telephone network (PSTN) and a public land mobile network (PLMN), instead of via the VoIP network. Based on the preference, the method inhibits an ENUM query of the ENUM database for the telephone call and forwards the telephone call to a gateway to carry the telephone call to the callee via one of the PSTN and the PLMN instead of via the VoIP network. | 02-18-2010 |
20100150143 | METHOD AND APPARATUS FOR COMPLETING A CIRCUIT SWITCHED SERVICE CALL IN AN INTERNET PROTOCOL NETWORK - A method and an apparatus for completing a circuit switched service call in an Internet Protocol network are disclosed. For example, the method receives a session request from a calling party to a called party, wherein the session request includes a service tag. The method determines a value of the service tag in the session request, and queries an tElephone NUmbering Mapping (ENUM) server for one or more Naming Authority Pointer (NAPTR) resource records associated with the called party. The method selects one of the one or more NAPTR resource records in accordance with the service tag, if the one or more NAPTR resource records associated with the called party are returned, and processes the session request using the one of the one or more NAPTR resource records that is selected. | 06-17-2010 |
20100150144 | METHOD AND APPARATUS FOR COMPLETING A CIRCUIT SWITCHED SERVICE CALL IN AN INTERNET PROTOCOL NETWORK - A method and an apparatus for processing a session request in an Internet Protocol (IP) network are disclosed. For example, the method receives by a Proxy-Call Session Control Function (P-CSCF) a session request from a calling party, and determines if a Session Description Protocol (SDP) value of the session request is for a service provided over the IP network. The method forwards the session request towards a Serving-Call Session Control Function (S-CSCF) of the calling party, if the SDP value of the session request indicates a service that is provided over the IP network, and forwards the session request to a circuit switched network, if the SDP value of the session request indicates a service that is provided over the circuit switched network. | 06-17-2010 |
20100150145 | METHOD AND APPARATUS FOR COMPLETING A CIRCUIT SWITCHED SERVICE CALL IN AN INTERNET PROTOCOL NETWORK - A method and an apparatus for completing a circuit switched service call in an Internet Protocol network are disclosed. For example, the method receives a session request. The method queries an tElephone NUmbering Mapping (ENUM) server for a called party of the session request, and determines if at least one Naming Authority Pointer (NAPTR) resource record associated with the called party is received from the ENUM server. The method determines if a Session Initiation Protocol Universal Resource Identifier (SIP URI) is returned, if the at least one NAPTR resource record associated with the called party is received, and processing the session request using the SIP URI, if the SIP URI is returned. The method determines if the processing of the session request using the SIP URI resulted in a successful call completion and processes the session request using a telephone URI, if the processing of the session request using the SIP URI resulted in an unsuccessful call completion. | 06-17-2010 |
20100157995 | Method for Setting Up a Telephone Connection, and Apparatuses - A first telephone connection from a first terminal to a second terminal is set up via a circuit-switched telephone network to send signaling from the second terminal to the first terminal via the first telephone connection, where the signaling signals the capability of the first terminal or of the second terminal to handle telephone data which are received via a data packet transmission network, or where the signaling contains connection data which relate to the availability of the signaling terminals in the data packet transmission network. | 06-24-2010 |
20100260173 | APPARATUS AND METHODS FOR BRIDGING CALLS OR DATA BETWEEN HETEROGENOUS NETWORK DOMAINS - Methods and apparatus for unified communication across circuit-switched and packet-switched network domains. In one embodiment, voice or data available in one domain (e.g., circuit-switched such as a PSTN) can be seamlessly forwarded onto another domain (e.g. packet-switched such as a WLAN). A bridge or intermediary device is used that is coupled to both the circuit-switched network and packet-switched network. This bridge device allows bidirectional operation and permits, for example, a user to receive a telephone call at a user's home network via a PSTN, and forward that telephone call or information related to that call over another network such as a local IP network (e.g. a WLAN) to the user, where the user can answer that call or otherwise receive information associated with the call on their primary user device (e.g., cellular phone). | 10-14-2010 |
20100303066 | Providing session-based services to event-based networks in multi-leg calls - A method for communication includes, during a multi-leg call conducted in a circuit-switched network, which operates in accordance with a first communication protocol that manages calls among subscribers by exchanging discrete events among elements of the circuit-switched network, receiving from the circuit-switched network a sequence of the events related to the multi-leg call. Based on the sequence of the events, multiple emulated communication sessions are generated in a packet-switched network that operates in accordance with a second communication protocol. Using the multiple emulated sessions, a service platform in the packet-switched network is caused to provide a communication service to the multi-leg call conducted in the circuit-switched network. | 12-02-2010 |
20100329245 | Transparent Mapping of Cell Streams to Packet Services - Data traffic of at least one cell stream of a circuit-switched network is processed for transmission over a packet service of a packet-switched network. At least one processor of a communication system node receives data traffic associated with a plurality of virtual circuits of the cell stream, maps the plurality of virtual circuits as a single unit to an identifier of a particular packet service of the packet-switched network, and transmits the data traffic associated with the virtual circuits over the particular packet service. The mapping of the plurality of virtual circuits as a single unit is implemented without requiring any processing of virtual channel indicators of the respective virtual circuits. | 12-30-2010 |
20110075659 | METHOD AND SYSTEM FOR INSERTING A NEW NODE INTO A COMMUNICATIONS PATH BETWEEN TWO EXISTING NODES WITHOUT DISRUPTION - Techniques for inserting a new node into a communications path of existing nodes of a 3GPP network are described herein. According to one embodiment, state information is captured within a transport protocol layer of a first node. The state information pertains to an existing communications session between a second node and a third node, while the first node routing packets exchanged between the second and third nodes via the existing communications session. The transport protocol layer of the first node is then configured using the captured state information to enable the transport protocol layer of the first node to independently communicate with a transport protocol layer of the second node and the third node respectively without terminating the existing communications session. | 03-31-2011 |
20110182289 | Aggregating Multiple Wireless Channels - Extending wired networks by aggregating multiple wireless links. Multiple wireless links are used to bridge wired networks, such as wired Ethernet networks. Each wireless link applies a hash function to the destination MAC address of presented traffic and uses the result of the hash function to determine if the traffic is passed by that wireless link or is dropped. For broadcast and multicast frames, the hash function is calculated on the source MAC address. Dynamic source MAC rewriting may be performed to prevent port flapping or out-of-order arrival of frames. Establishing one link as a master and communicating among links allows for load balancing and link failure detection. | 07-28-2011 |
20120207152 | DEFAULT GATEWAY, TERMINAL DEVICE, AND METHOD FOR EXCHANGING VOIP SIGNALING - A terminal device receives a called telephone number inputted by a user. The terminal device generates a called domain name corresponding to the called telephone number according to a predefined rule, and queries the DDNS server for a called IP address that corresponds to the called domain name. The terminal device exchanges VoIP signaling with a called terminal device according to the called IP address when the called IP address is successfully queried from the DDNS server. | 08-16-2012 |
20120327930 | Method and System For Calling Traditional Circuit Switched Domain Network User By Packet Core Network - A method and a system for calling a traditional circuit switched domain network user by a packet core network. The method includes: after receiving a request message from a call session control unit, a media gateway control unit sends the call session control unit a first call progress message carrying a preset prompt tone indicating please wait; the media gateway control unit sends an initial address message to the traditional circuit switched domain network and start a preset timer; if the timer expires and the traditional circuit switched domain network does not respond, the media gateway control unit sends the call session control unit a second call progress message carrying a preset prompt tone indicating that the other party is temporarily unaccessible, and the media gateway control unit proceeds according to a preset policy. Resource waste due to waiting is avoided and better user friendliness of a service is provided. | 12-27-2012 |
20140119366 | 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. | 05-01-2014 |
20140328339 | Support of Non-Secure Warning Tones on Packet-Switched Networks, Particularly Across Multiple Security Domains - A method for supporting non-secure warning tones on packet-switched networks involves receiving a call attempt from a source phone to a destination phone, checking if a connection of the security domains of the source phone and the destination phone via a MLS voice gateway is allowed, and checking if a generation of a non-secure warning tone locally by the source phone is required. A call is established from the source phone to the destination phone upon acknowledgement of the local generation of the non-secure warning tone by the source phone. | 11-06-2014 |
20150030019 | MOBILE SWITCHING CENTER ACTING AS A SHORT MESSAGE SERVICE GATEWAY - Communications systems, such as the evolved packet system, may benefit from configurations and methods for a mobile switching center. For example, a mobile switching center may be configured to act as a short message service gateway. A method can include communicating, by a mobility management entity, regarding a user equipment with a home subscriber server of the user equipment. The method can also include determining whether a mobility management entity communicates with a short message service gateway mobile switching center regarding the user equipment based on communication with the home subscriber server. | 01-29-2015 |
20150365445 | METHOD AND APPARATUS FOR PROVIDING A NETWORK ASSISTING SWITCH FUNCTION - A method and apparatus for providing a network assisting switch function are disclosed. For example, the method receives a query for feature processing for a call from a switch deployed in a switched network, and determines if the feature processing for the call requires one or more switching services. The method determines if the switch is able to provide the one or more switching services, if the one or more switching services are determined to be required, and initiates a temporary connection to a network assisting switch function in a packet network, if the switch is unable to provide the one or more switching services. | 12-17-2015 |
20150373058 | SERVICE CONTROL AWARENESS FOR CALL ROUTING BETWEEN PACKET SWITCHED TELEPHONY DOMAIN AND CIRCUIT SWITCHED TELEPHONY DOMAIN - A telecommunications network has a packet switched domain for handling packet based calls and a circuit switched telephony domain for handling circuit switched calls. A node of the packet switched telephony domain decides whether to terminate a call to a user equipment using a packet based connection to the user equipment or using a circuit switched connection to the user equipment. In response to deciding to terminate the call using the circuit switched connection, the node sends, to a further node controlling routing of calls between the packet switched telephony domain and the circuit switched telephony domain, an indication that services related to the call are controlled in the packet switched telephony domain. In accordance with the indication, the further node may then adapt its control signalling with respect to a node of the circuit switched telephony domain. | 12-24-2015 |
20150373202 | SYSTEM FOR COMMUNICATING WITH AN INTERNET PROTOCOL MULTIMEDIA SUBSYSTEM NETWORK - A system for communicating with an Internet Protocol Multimedia Subsystem (IMS) network is provided. A system that incorporates teachings of the present disclosure may include, for example, an intermediate node having a controller element to receive from a non IP Multimedia Subsystem (IMS) compliant node a Session Initiation Protocol (SIP) message having a calling party number and a called party number, and insert in the SIP message a request that instructs a receiving IMS-compliant node to bypass validation of the calling party number. Additional embodiments are disclosed. | 12-24-2015 |
20160036991 | AUTO-DIALER DETECTOR FOR INTER-CARRIER NETWORK SWITCH - To maximize efficiencies and to reduce termination costs of inter-carrier exchanges, an auto-dialer detection system enables an inter-carrier network switch to detect, in real-time or in near real-time, calls that are originated by auto-dialers. A call router of the switch may receive an incoming call attempt that includes a particular Automatic Number Identification (ANI). The auto-dialer detection system allows for a real-time or near-real time determination, based on the ANI and contents of a cache during a sliding window of time coincident with the reception of the origination, whether or not the call should be routed through the switch. Further, the auto-dialer detection system provides a real-time or a near real-time update to the cache contents to enable further real-time or near-real time detection and blocking of auto-dialed calls. Overrides to the cache (e.g., to always allow and/or to always block calls that include certain ANIs) may be provided. | 02-04-2016 |
20160043939 | Redirecting Telephone Call to Packet-Switched Data Call Via Voicemail - In embodiments of the disclosed technology, devices and methods for redirecting a telephone call from a public-switched telephone to a packet-switched data network. The phone call is initially received via the public-switched telephone network having a dialed number associated with a hand-held wireless device of a called party. Upon initialization of the phone call, a route is determined from the telecommunications switch to the hand-held wireless device of the called party via a packet-switched network. The bandwidth of the packet-switched network is then detected to determine the ability of the network to handle the call. If the packet-switched network is determined to be capable of handling the call, the call is forwarded over the packet-switched data, thereby reducing or eliminating charges for wireless minutes. | 02-11-2016 |
20160182396 | SPATIALLY DIVIDED CIRCUIT-SWITCHED CHANNELS FOR A NETWORK-ON-CHIP | 06-23-2016 |
20160182734 | SYSTEMS AND METHODS FOR OUTGOING CALL REDIRECTION | 06-23-2016 |