445 results about "Softswitch" patented technology

A softswitch interconnecting networks of different transport protocols is provided. The softswitch includes a signaling agent coupled to the networks and operable to receive incoming signaling messages, translate the incoming signaling messages to a call model event, and route the call model event. The softswitch further includes a call agent in communication with the signaling agent and operable to receive the call model event, request outgoing resources for establishing data sessions, generate outgoing signaling messages, and send the outgoing signaling messages to the signaling agent. The signaling agent then terminates the data sessions on the requested outgoing resources.

Methods and apparatus for configuring femtocell devices for performing handoffs in a communication system. The communication system is provided with a plurality of macrocell base stations, a femtocell device, a wireless softswitch and a mobile node. In the communication system, each macrocell base station serves a macro cell, and the femtocell device serves a femto cell and is disposed in one of the plurality of macro cells. The wireless softswitch is communicatively connected with the plurality of macrocell base stations and the femtocell device, and stores geographic coverage area information for each of the plurality of macrocell base stations. The mobile node is originally disposed within the femto cell and moves out of the femto cell. The mobile node transmits a registration message to the femtocell device. The femtocell device forwards the registration message and geographical location information for the femtocell device to the wireless softswitch. The wireless softswitch determines which one of the plurality of macrocell base stations covers the macro cell where the femtocell device is disposed, in dependence upon the received geographical location information for the femtocell device and the stored geographic coverage area information for each of the plurality of macrocell base stations. Then, the wireless softswitch forwards the registration message to the macrocell base station determined.

An access gateway coupled to a Softswitch in a telephone communication system for establishing a Push-to-Talk channel between an originator and at least one destinator. The access gateway identifies an address of each destinator, and conveys respective DNRs of the originator and each destinator to the Softswitch for allowing the Softswitch to verify that the DNRs correspond to Push-to-Talk enabled telephones and that the originator is registered to establish a Push-to-Talk channel with each of the destinators. If so, the access gateway invokes an instruction received from the Softswitch to activate a speaker coupled to each of the destinators and establish a uni-directional voice channel from the originator to each of the destinators upon the destinators going off-hook. Destinators may complete the call for establishing a two-way voice channel to the originator. Enhanced telephones include Push-to-Talk facility, while existing telephones may be upgraded using an adapter.

A method establishes two redundant Switched Virtual Channel (SVC) connections through ATM Networks using the same ATM End System Address (AESA) from a source ATM End Point to a destination ATM End Point. The method provides end-to-end path protection without relying on any underlying resiliency features of an ATM Network so that the set-up model is transparent to the underlying ATM Network.

The method includes: calling party initiates call request to soft exchange; soft exchange queries service attribute register SHLR of storing attribute colorful ring; if the called party is a user of colorful ring, then SHLR returns attribute symbol of colorful ring back to soft exchange; initiating request for triggering colorful ring to application server AS, soft exchange carries the said attribute symbol of colorful ring; after authenticating the called party, AS obtains information of colorful ring customized by the called party from database, and down sends route request with carried attribute symbol of colorful ring to soft exchange, which accomplish continuation for called party; after receiving ring message of called party, AS sends request for playing colorful ring to media resources server MRS, and carries the information of colorful ring; after carrying out media negotiation with the calling party, MRS plays colorful ring in multi media to the calling party in NGN network.

A multi-mode mobile station includes a first interface for wireless communication with a first wireless network, such as a wireless local area network (WLAN), and a second interface for wireless communication with a second wireless network, such as a wireless wide area network (WWAN). When a call is placed to the multi-mode mobile station, a softswitch or other controller attempts to establish the call with the multi-mode mobile station via the first wireless network. If this attempt is unsuccessful because the multi-mode mobile station is inaccessible via the first wireless network, the controller then attempts to establish the call via the second wireless network.

A telecommunications network (10) includes a gateway (18) that receives signaling information in a message based signaling format from a Class 5 softswitch (26). The gateway (18) also receives voice traffic over an inter-machine trunk from a public switched telephone network (12). The gateway (18) places the voice traffic into data packets. The gateway (18) transfers the data packets and the signaling information to an Internet Protocol network (30). The data packets and the signaling information may be transferred over a common physical link and over separate logical links.

A security system (150) in a network includes a softswitch (440) and a detection unit (420). The detection unit (420) detects activity directed to the softswitch (440) and records the detected activity. In another implementation, a method for configuring a security device (150) for use in a network includes installing a detection unit (420) to monitor and record traffic directed to the security device (150), installing a deceptive operating system (430), installing a softswitch (440), and configuring the deceptive operating system (430) and softswitch (440) to mirror settings used in an active softswitch (140) in the network.

The invention is a control method using instant communication (IM) equipment to hold a mixed telephone meeting, comprising the steps of: (1) IM terminal upgrades software and supports SIP protocol and registers URL (Uniform Resource Locator), and user it as SIP address so as to build relation between IM number of the IM terminal and the SIP address; (2) the IM terminal interacts with IM server and SIP application server to build relation of the IM number and user-set PSTN network telephone number and complete binding the IM terminal with the PSTN network telephone numbe; (3) the IM terminal sends instant request for holding a mixed telephone meeting to the SIP application server through software switching; (4) the SIP application server transmits instant request for holding a mixed telephone meeting to soft switching and media server through SIP information and requires all participators to build interactive channels for holding the mixed telephone meeting through the IM terminal or PSTN network telephone. And the method meets users' requirements for diversification of communication modes, able to use as a new value-added service for the operators.

A method of intercepting call content in a packet-based Internet Protocol (IP) network. The method includes targeting bearer packets containing the call content via a Softswitch controlling the redirection of the targeted bearer packets through a specified Intercept Router using alias IP addresses for the targeted bearer packets.

A “PSAP Proxy”, including VoIP functions of call/content delivery to a PSAP, is IP addressable by multiple different VPCs, from multiple VoIP service providers. If the PSAP address is known and the Location Object (LO) is known when a VoIP caller dials 911, the VoIP service provider's softswitch sends the call to the PSAP Proxy for delivery over the determined call access type. If the PSAP address or LO is not known when a VoIP caller dials 911, the softswitch sends the VoIP call to a VPC for addition of the LO. Then the VPC selects the correct PSAP Proxy and passes the call, with LO, over an IP connection to the correct PSAP Proxy. The PSAP Proxy determines capability of the PSAP, and delivers the call. Thus, PSAPs appear IP capable to VoIP service providers, and a SIP URI is provided for PSAPs.

This invention discloses a negotiatory method of safety capability and is applied to the next generation network. It includes the following processes: a) the terminal sends the request of information registering to the soft exchange; b) the soft exchange sends identification request to the identifying center; c) the identifying center identifies the terminal, the terminal and the soft exchange negotiate the safety capability and communicate with each other according to the negotiated results. Because this invention realizes the safety capability negotiation during the registering identification process, so the safety capability negotiation is not restrained by the specific applying agreement of NGN network and is a general method. It has wide application range and strong extent capability and also has the strong points of simple exchanging process and high negotiation efficiency.

A method for realizing CTD service includes launching CTD calling request of assigned calling number and called number after client end is logged on application server in soft interchange, realizing connection of calling and called numbers and information state information of connecting course to client end by utilizing application server to control soft interchange, displaying received state information in real time by client end through user boundary.

A Voice over Internet Protocol (VoIP) communications system, a method of managing a communications network in such a system and a program product therefore. The system/network includes an ENERGY STAR (E-star) aware softswitch and E-star compliant communications devices at system endpoints. The E-star aware softswitch allows E-star compliant communications devices to enter and remain in power saving mode. The E-star aware softswitch spools messages and forwards only selected messages (e.g., calls) to the devices in power saving mode. When the E-star compliant communications devices exit power saving mode, the E-star aware softswitch forwards spooled messages.

This invention discloses a safe transmission method of medium current, and is applied to the next generation NGN network including the soft exchange and the terminal. The relating terminal contains the sending and receiving ends of medium current transmission. The characteristics are: (1) the process of the call establishment of R-T ends negotiates through the soft exchange, get the communication key code produced by the soft exchange and the safe parameter supported by the two terminals appointed by the soft exchange; (2) the sending end encodes or protects the medium current message according to the communication code key and safe parameter and send it to the receiving end; (3) the receiving end decodes and identifies the medium current message according to the communication code key and safe parameter, so as to realize the safe transmission of the medium current from the sending end to the receiving end. It also realizes the total identification of the original message through the setting of terminal applying layer resource mark, and solves the problem that the medium current can't identify the message sending origin after through NAT.

The present invention relates to a telephone recording method which comprises the following steps that: a soft switching device receives an accessed call request and carries out a service authentication, if the authentication is passed, the call request is sent to a called terminal; when a communication is established, a recording service platform sends a recording notification to a recording platform, meanwhile sends voice channel resources of a calling party, a called party and the recording platform to a media server to create a tripartite meeting; the recording platform records the voice information of the tripartite meeting. The present invention further provides another telephone recording method and a telephone recording system. The present invention records a telephone at network side without arranging hardware devices and circuits, thereby being easy to use and cutting the cost. The telephone recording method is capable of starting record while communicating until the connunication is ended to ensure the integrity of the record; besides, as the recording information is saved on the server, local computer hard disc is not occupied.

The disclosed full control method for all of speech, Modem and Fax comprises: the calling user builds speech carrying channel; the first media gateway notifies the first soft exchange for the detected Fax or Modem affair; the latter indicates the first media gateway to switch into fax or modem state; the first soft exchange initiates the negotiation and building request for the fax media flow to the second soft exchange; the latter receives message and indicates the second media gateway to switch into fax or modem state; then the second soft exchange matches the fax or modem capacity with theinitiator through signaling message; finally, the calling builds fax or modem channel with the called.

When an integrated EMS (Element Management system) receives an open command for a new subscriber from a telephone office, it forwards the open command to a relevant network element, which will provide a communication line to the subscriber, to perform an open operation, receives, from the relevant network element, physical connection information allocated to the relevant subscriber terminal by the network element and logical subscriber information allocated to the relevant subscriber by a softswitch according to the subscriber open, and stores the information in a database. The EMS performs a virtual management switch function based on the information in the database to manage a link state and correlated information between respective network elements (NEs). The EMS performs the end-to-end management of alarm, configuration, performance, or the like from the subscriber end to the softswitch by interconnecting a logical number of a subscriber (telephone number) and a physical number of a subscriber node (subscriber connection port ID and position information) as well as link information between the network elements, through the virtual management switch function. Accordingly, there is provided an advantage that a communication path from the softswitch to the subscriber terminal in the next generation network can be collectively managed.

This invention discloses a call control and service listening method for software exchange listening including the following steps: a warning information center sets up connection with software exchange control devices and controls the users of the devices by listening instructions to correct or inquire attributes of related users. If the user is a controlled one, the device reports to the information center the call state information of the controlled user after starting the calling and instructs a data collection device to collect the call communication content information and forward it to the information center to relicate it, after the call is finished, the devices release the occupied resources and stop listening the call.

A telecommunications network (10) includes a gateway (18) receiving signaling information in a media gateway and call session control format from a Class 5 softswitch (26). The gateway (18) converts the media gateway and call session control format to a broadband loop emulation service signaling protocol for transfer to integrated access devices (20) at a customer premises (22) through a broadband loop emulation services network (14). The gateway (18) also receives signal information in a broadband loop emulation service signaling protocol from the integrated access devices (20) through the broadband loop emulation services network (14). The gateway (18) converts the broadband loop emulation service signaling protocol to the media gateway and call session control format for transfer to the Class 5 softswitch (26). The Class 5 softswitch (26) places the media gateway and call session control format into a network signal format for transfer over a signaling network (24).

A system and method for managing telephone communications. An originating telephone carrier originates telephone calls by users and conveys the telephone calls to an internet protocol network provider for termination. The internet protocol network provider conveys the received telephone calls to a service platform comprising a softswitch for termination. The service platform applies one or more services to received telephone calls and routes the terminated telephone calls to a final carrier. A final carrier receives the telephone calls from the service platform and terminates telephone calls. The originating carrier compensates the IP network provider for terminating calls conveyed by the originating carrier, the service platform compensates the IP network provider for telephone calls conveyed by the IP network provider to the service platform for termination, and the final carrier is configured to compensate the service platform for termination of calls received from the service platform or service platform's internet protocol network provider.