Abstract: When a call from a subscriber telephone set 81 is received via a telephone switch 74 and a metallic subscriber line 72 in a subscriber terminal 51, an xDSL home unit 60 generates an electronic mail indicative of the call reception with a metallic subscriber line 72 used as an xDSL line 72 for feeding the electronic mail thus generated via the xDSL line 72, an xDSL station side unit 104 and an internet NW to an internet provider 105 and thence transmitting the mail via an internet NW to a portable telephone radio base station 106 and also to a portable telephone set 107. When a reception request is provided from the portable telephone set 107, the xDSL home unit 60 feeds the call from the subscriber telephone set 81 via the xDSL line 72, an xDSL station side unit 104, the internet NW to the internet provider 105 for transmission of the call via the internet NW to a portable telephone radio base station 106 and also to the portable telephone set 107.

Abstract: The invention relates to a kind of multi-gateway communications system and switching control method, especially a system that is able to combine traditional Public Switched Telephone Network(PSTN) with Voice over Internet Protocol(VoIP). The multi-gateway communications system, connecting a user end with a caller end, can be utilized for verifying if a call is coming through Internet or POTS and automatically switching to enable the call receiver to answer the call. Moreover, the multi-gateway communications system provides with at least two switch components for the user end to choose if s/he wants to make a call through either Internet or POTS.

Abstract: A technique of assigning network addresses to workstations by using a system of unified identification codes for both voice and data communications is disclosed. This unified identification code is settable by the user directly. This identification code can be easily verified by the user without special training. Only one set of such identification code is needed per workstation, thus simplifying the management of such networks. This technique also bridges the traditional analog voice communicattion with the emerging digital data technology.

Abstract: The present invention provides an improved communications interface device for existing interface devices, capable of providing improved and enhanced functional features to the traditional limited services of telephone-based and communications interface devices without requiring modification to physical characteristics of existing interface devices. The apparatus includes a module having electrical connectors for establishing electrical connection to one or more service provider cables and one or more subscriber cables and a replaceable motherboard and one or more replaceable daugbterboards capable of providing access to additional bandwidth, sharing of bandwidth, access to high-speed and multimedia data, distribution of data by residential gateways and/or across existing telephone wiring, access to cable-related data, analog to digital conversion of data, or power surge damage-protection.

Abstract: The packet network phone unit is an interface between a telephone instrument and a packet network for enabling voice data to be communicated over the packet network. The unit also functions as a gateway between a packet network and a public switched telephone network, thereby interconnecting the networks and providing a public switched telephone network gateway to a packet network. When power is not supplied to the unit, a fallback switch automatically links the telephone instrument directly to the public switched network, bypassing the circuitry in the unit. The unit includes links to a plurality of external serial communications lines as well as an interface for connecting to a personal computer. The unit also includes an LCD driver and a display for displaying information such as a caller identification. The packet network phone unit also may function an answering machine/messaging system.

Abstract: A filter arrangement particularly adapted to be used in a “splitter” of an ADSL system where several POTS equipment, e.g., subscriber sets, are connected to a same telecommunication line. The arrangement, located at the customer premises, includes for each POTS equipment a distinct low-pass filter circuit to separate low frequency POTS signals from high frequency ADSL signals simultaneously transmitted over the same copper twisted-pair telecommunication line. Each low-pass filter circuit is provided with a current sensing circuit, e.g., an electrical relay, which activates a switch when the current flowing through the filter exceeds a predetermined value. Since several high order filter circuits can not be put in parallel, mainly because their capacitive values will then add, the present filter circuit is basically a 1st order filter that comprises the series connection of two transformers separated by the coil of the relay. When the current increases, i.e.

Abstract: Computerized video telephony enhances the interaction between a calling party and a called user wherein the called user is an enterprise employing a computerized, automated telephone response system together with a pool of live human operators or agents. The present invention coordinates the handling of the network data call(s) so that video image content may be provided to the calling user while connected to the automated system and then after the telephone call is transferred to the live operator.

Abstract: An asymmetric digital subscriber line transceiver unit-card (ATU-C) and a method of controlling the same. The ATU-C includes: a power supply unit; a plurality of modems to be connected to a plurality of asymmetric digital subscriber line transceiver unit-remote (ATU-R) for subscribers; a plurality of power switches for selectively supplying power generated by the power supply unit to the modems; and a microprocessor for controlling the operation of the power switches depending on the connection status between the subscribers and the modems.

Abstract: A communication system includes a plurality of desktop controller agents receiving goal commands and invoking a process to achieve the goals. A plurality of resource agents each in communication with an associate device receives and stores goals from a desktop controller agent and operates the associated device in response to goals received from the desktop controller agent. A network interconnects all of the agents and carries goals between the agents. Communications folders for the user agents are maintained and include a log of communications made using devices associated with a respective desktop controller agent. Attachments can be selected to accompany communications made using the devices.

Abstract: Disclosed is a local loop interceder which interfaces between the local loop and the central office and which provides access to the public switched telephone network (PSTN). The local loop interceder establishes a first signal pathway from the local loop to the PSTN and a second signal pathway from the local loop to a high speed data modem. The local loop interceder alternates between the first and second pathways depending upon whether the end user desires voice or data communication on the local loop. In a second embodiment, the high speed data modem is a simultaneous voice and data (SVD) modem. In such case, the local loop interceder provides a third signal pathway from the SVD modem to the PSTN for voice communication which is demodulated from a simultaneous voice and data signal received by the SVD modem through the second signal pathway.

Abstract: A dial string is received from a session application that interfaces with a packet-based or circuit-switched system such as VoIP, PSTN, PBX, etc. Regular expression match patterns are compared with the input dial string. The dial plan mapper identifies one of the match patterns providing a longest match with the dial string and outputs call configuration information associated with the identified match pattern. The configuration information contains call parameters necessary for establishing the telephone call with the call destination. The configuration information format allows the dial plan mapper to specify any one of the wide variety of different session protocols that may be associated with a particular call destination.

Abstract: A method and apparatus for auto-detection of ISDN BRI services available for use by terminal equipment is disclosed. This auto-detection provides a variety of simulated call activity stimuli to the ISDN switch peered with the terminal equipment, thus exercising secondary ISDN features such as call conferencing, call forward, call transfer, and X.25/D channel data transfer capability in a manner that can be detected by the terminal equipment. For instance, the call conferencing feature can be detected by having the terminal equipment place a call to it's own directory number using one B-channel, answering the call on the other B-channel, and then attempting to add a third party to this call. By evaluating the messages returned from the switch during the attempted third party addition, the auto-detection process can determine whether the call conferencing feature is available.

Abstract: A low-pass filter arrangement associated a clamping circuit for limiting unwanted transient signals to be transmitted through the filter. Mainly the variations (dI/dt) of the current flowing through the filter are eliminated. The filter may form part of a splitter used in an ADSL system to separate low frequency POTS signals from high frequency ADSL signals simultaneously transmitted over a same copper twisted-pair transmission line. The filter comprises the series connection of a coil and the main path of a transistor of which the gate terminal is connected to the opposite end of the coil. In an ADSL system, a classical 7th order low-pass filter may advantageously be replaced by a 3rd order filter arrangement.

Abstract: A cordless slave apparatus is connected to a host apparatus connected to lines via wireless communications. When the cordless slave apparatus is picked up from a charging apparatus to respond to a call from any of the lines, if the line at which the call has arrived has been selected by the cordless slave apparatus, the line is connected immediately and communications can start. If the line is not selected by the cordless slave apparatus, when a connection instruction from the user is provided, the line is connected and communications can start. When calls have arrived from lines simultaneously, communications can start by capturing a line according to a connection instruction. When a call from another line has arrived during communications, the lines are switched according to a switching instruction from the user and the line through which the communications have been performed is automatically turned to be on hold.

Abstract: To provide an integrated information communication system without using dedicated lines or the Internet, ensuring communication speed, communication quality, communication trouble countermeasures in a unified manner, wherein security and reliability in communication is ensured. The system is comprised of an access control apparatus for connecting a plurality of computer communication networks or information communication equipment to each, and a relay device for networking the aforementioned access control apparatus, the system having functions for performing routing by transferring information by a unified address system, and is configured such that the aforementioned plurality of computer communication networks or information communication equipment can perform communications in an interactive manner.

Abstract: The present invention relates to a device and a method for a telecommunication system comprising an exchange (1), which comprises a network connection device (6), which provides a user (A) with the possibility to connect a computer (12) to a data network (3), as well as a telephony server (7), which provides said user with the possibility to, during an ongoing data network session, use the service telephony on the same subscriber line (14), which is being used for the data network connection. The invention makes the handling of user information in the exchange (1) more efficient, by providing the network connection device and the telephony server with user information, which is entered in one single user data base (10). The data base is used for operation and maintenance personnel entering static user information and for entering session related user information, which is obtained during one single access control at connection to the data network (3).

Abstract: A method and apparatus for integraling data and telephony services is disclosed Specifically, the device dynamically configures network input and output ports of the device to support connectivity to a varying number of data networks, a varying number of public switched telephone networks, and a varying number of communication devices. The device also dynamnicly adopts broadband access technologies to access the data networks and maintains data interoperability among the data networks, the public switched telephone networks, and the communication devices.

Abstract: A fax interface unit provides a novel way of sending and receiving a fax over a global computer network such as the internet. The fax interface unit is coupled to a legacy fax machine on one side and to both a local area network and the telephone network on the other side. When a first location transmits a fax document to a second location having an email address capable of receiving the fax document, the telephone network is bypassed and the transmitted fax document arrives as email at the second location, thereby reducing telephone cost and providing the second location with an archived document.

Abstract: A telephone network access adapter for a computer includes a number of line ports for connection to telephone network lines, a subscriber port for connection to subscriber telephone equipment, a video port for connection to video equipment and a computer port for connection to computer equipment. The subscriber interface is connected to the subscriber port. A video interface is connected to the video port. A line interface selectively connects the external telephone line(s) to the subscriber interface and/or the video interface. A controller is connected to the computer port for controlling the operation of the adapter. The adapter is able to connect the subscriber telephone equipment and/or the video equipment and/or the computer equipment to a selectable number of external telephone lines, thus providing a flexible connection to the telephone system.

Abstract: In an arrangement where users are connected to an ISP through a bank of modems, a time-out threshold is then selected for the user based on the user's connection pattern. The threshold is varied dynamically in response to access patterns, in an attempt to trade the benefit accrued by using the ISP's modem and phone line for a shorter period of time, against the inconvenience to the user from having to reestablish a connection to the ISP. Specifically, the time interval between the last disconnection by the user and the time of reconnection is evaluated, and when this time interval is shorter than a preselected threshold, then the time-out threshold is increased. When this time interval is longer than the preselected threshold, then the time-out threshold is decreased. Typically, when the time-out threshold is decreased, it is decreased by a significantly smaller amount that the amount by which it is increased, when it is increased.

Abstract: In a Computer Telephony Integration environment, to reduce the risk of inadvertent or fraudulent registration of the association of a user's computer terminal with the wrong telephone, i.e. one other than the telephone adjacent to the computer terminal or the user's mobile telephone, a host computer instructs the user via a screen display to call a particular extension of a CTI-enabled PABX. When a call to that extension is detected, the PABX treats the call as having been answered, and reports this to the host computer. The user is now instructed to dial a codeword, and when this is received at the PABX and reported to the host computer, the telephone is registered as associated with the computer terminal provided that the reported codeword matches the codeword provided to the user. A number of variants and refinements provide for greater security against fraudulent registration.

Abstract: Telephone line distribution apparatus are provided that permit easy user-selection of primary and secondary telephone lines without requiring physical rewiring of RJ plugs or receptacles. A telephone line distribution apparatus includes a first RJ connector, one or more second RJ connectors, and a switching device that allows a subscriber to designate which of a plurality of incoming telephone lines is the subscriber's primary line and secondary line. A switching device has various user-selectable configurations. When in a first configuration, a first incoming telephone line becomes the subscriber primary telephone line at one or more of the second RJ connectors. When the switching device is in a second configuration, a second incoming telephone line becomes the subscriber primary telephone line at one or more of the second RJ connectors. Additional incoming telephone lines can be designated as primary or secondary telephone lines in a similar manner.

Abstract: A scheduling system which is arranged for automated schedule entry, revision and reporting is described.

Abstract: Disclosed is a system and a methodology enabling a first provider party to provide to a second recipient party software and services to enable the recipient party to embed in an Internet e-mail of the recipient party directed to an addressee, an HTML hyperlink file which includes a telecommunication initiating trigger, sending the e-mail to the addressee via the Internet, the addressee upon receiving the e-mail actuating the hyperlink via its trigger and, responsive to the trigger actuation, connecting the addressee via the Internet to a web page located on an Internet server, wherein the web page includes a request for a telephone number of the addressee.

Abstract: A system and method are provided for multiline telephony in a home-network telephone system. The method comprises: establishing a gateway; using the gateway for transceiving calls on a plurality of external telephone lines; and, bridging a call between a home-network endpoint and a selected external telephone line. Transceiving calls on a plurality of external telephone lines includes the gateway communicating call information in a format such as voice-over broadband (VoBB) or POTS. Bridging a call includes the gateway: converting between the external format and a digital home-network format; establishing a traffic channel between the gateway and the endpoint to communicate information in the home-network format; and, establishing an out-of-band control channel to manage the corresponding traffic channel.

Abstract: Broadband integrated services are performed via digital, channelized or optically coded networks by a system which organizes, interfaces, provisions, loads and controls, in real time, the transport of grouped or organized information (such as packetized cell data) through interface access devices and packet switches that are compliant with domestic and international communication standards. A packet core network includes multiple packet switches and interface access devices coupled to an existing narrowband or broadband network. A signaling manager, a provisioning manager and a traffic manager perform all broadband and narrowband routing, port provisioning and connecting functions for all network devices. A set of software interface modules for each equipment vendor allows the provisioning manager, the signaling manager and the traffic manager to impose control demands and make network management decisions on a real time basis via an application protocol interface.

Abstract: An apparatus for communicating telecommunication information between customer premises equipment and network equipment includes a subscriber line interface, a processing module, and a bypass switch. The interface receives an analog telephone signal communicating telecommunication information from a subscriber line. The processing module receives the analog telephone signal and processes the analog telephone signal to generate data packets for communicating the telecommunication information over a local loop circuit in a first mode of operation. The bypass switch communicates the analog telephone signal from the interface to the processing module in the first mode of operation and communicates the analog telephone signal from the interface over the local loop circuit to the network equipment in a second mode of operation.

Abstract: The invention supposes the use of an integrated services digital network (102) which has a function of communicating the number of a source communications terminal (101) as source number information. A source number information identifying section (104) in a central unit 103 identifies source number information from the integrated services digital network (102). Communications processing sections (105) in the central unit (103) process arriving channels for which source number information is recognized as being identical, as arriving channels from the same communications terminal. As a result, the central unit (103) identifies arriving channels from a plurality of communications terminals (101) individually and then processes them without communicating source number information with the communications terminals.

Abstract: An apparatus for receiving a voice signal and data, and a controlling method thereof, by which a voice telephone call can be made even in power failure, network error, or CPU error, comprises: a splitter for dividing data transmitted from a data transmission unit into an internet protocol data packet and a voice signal; a first telephone connected to an analog POTS channel of the splitter for receiving the voice signal divided in the splitter; and an integrated access device (IAD) for connecting a second telephone to a voice line, that is, the analog POTS channel of the splitter or connecting the second telephone to a data line of the splitter according to state of power failure.

Abstract: A method and system for providing a telephone subscriber line high-speed access to a computer network is described. The telephone subscriber line is provided telephone service through a network access equipment. The network access equipment includes a telephone line function interface, access control logic, a high-speed interface, and a Remote Access Server. In a described embodiment, the network access equipment also provides access to a high-speed interface connected to a Remote Access Server providing access to the computer network. The access control logic recognizes the telephone numbers of telephone lines accessing the computer network which are provided telephone service through the network access equipment. These telephone lines can be connected to a high-speed interface connected to the Remote Access Server providing access to the computer network.

Abstract: A communication system includes a number of communication devices coupled to a data network using communication servers. The communication system supports communication sessions between a variety of networks and devices using, at least in part, XDSL communication techniques. Specifically, information associated with a session passes between a device and an associated server using a modifiable number of XDSL modems and associated twisted pair lines.

Abstract: A mobile telephone, or personal communication services subscriber who wishes directory assistance services is connected in the conventional manner to an operator who identifies a destination telephone number desired by the subscriber. As known in the prior art, the operator then initiates a call connecting the subscriber to the destination telephone number. In a preferred embodiment, the operator locates a desired destination telephone number in a computer database, and can select automatic dialing of the located number. Further, rather than dropping all further involvement with the call, the preferred embodiment of the present invention continually monitors the connection thereby established for a predetermined DTMF signal issued by the customer, such as that obtained by pressing the “*” button. If such a signal is detected, the customer is transferred to a directory assistance operator, who can then provide whatever further assistance is needed (e.g., providing further directory assistance).

Abstract: A coaxial-based communication system connects network-side xDSL services to xDSL CPE devices and avoids interference from a noise spectrum that is degrading to xDSL performance or emission compliance on either the network or customer premises sides on the NID. The system provides an NID and a CPE interface device at the two ends of the coaxial wiring to perform a spectral relocation of the xDSL signal to a lower noise frequency band than is used for the xDSL service. Interfaces to the system are industry standard xDSL, POTS, and CATV services, while the transport medium is the normal coaxial type wiring and CATV splitters found on the customer premise.

Abstract: A system for communicating telecommunication information between a telecommunication switch and customer premises equipment includes a gateway, a processing module, and a bypass switch. The gateway receives telecommunication information from the telecommunication switch. The gateway generates data packets for communicating the telecommunication information over a local loop circuit in a first mode of operation or generates a first analog signal for communicating the telecommunication information over the local loop circuit in a second mode of operation. The processing module receives the data packets from the local loop circuit and processes the data packets to generate a second analog telephone signal communicating the telecommunication information in the first mode of operation.

Abstract: A network protocol data intelligence (NPDI) software in the switching node that enables the call processing components in the L4 and L5 applications to interpret and manipulate different network signaling data protocols. The call processing applications are expanded to understand different network signaling protocols and to extract the required information from each protocol's data stream. The NPDI provides the means for the L4 application to convert from one network signaling data format to another either, by itself or in conjunction with the L5 application. Thus, the system operator may configure the switch to perform all call processing functions or by-pass the NPDI and have the L5 application perform these functions. The L4 application may also perform data translation from host applications written against the underlying network protocol to the different signaling protocols from other networks.

Abstract: A multiline telephone apparatus with caller ID signal detecting function had an expensive modem for demodulating the caller ID in each one of telephone lines. According to the invention of the present application, each line is provided with a signal detecting circuit for detecting a channel seizure signal or carrier signal in the caller ID signal, and the input line to the modem for caller ID demodulation is changed over depending on the detection output of these signal detecting circuits, so that the caller ID signals of a plurality of lines can be demodulated by one modem only. As a result, a simple and inexpensive multiline telephone apparatus with caller ID signal detecting function is realized.

Abstract: Disclosed is a local loop interceder which interfaces between the local loop and the central office and which provides access to lie public switched telephone network (PSTN). The local loop interceder establishes a first signal pathway from the local loop to the PSTN and a second signal pathway from the local loop to a high speed data modem. The local loop interceder alternates between the first and second pathways depending upon whether the end user desires voice or data communication on the local loop. In a second embodiment, the high speed data modem is a simultaneous voice and data (SVD) modem. In such case, the local loop interceder provides a third signal pathway from the SVD modem to the PSTN for voice communication which is demodulated from a simultaneous voice and data signal received by the SVD modem through the second signal pathway.

Abstract: A control device attached to both a primary packet device (such as a PC-based packet phone) and a network (e.g., telephone network or packet network) provides improved reliability for packet telephony and network maintenance. The control device may have its own network address separate from that of the packet telephony device. The control device enables monitoring of the operation of the packet telephony device and basic maintenance, such as re-booting of that device if it is no longer responding to input commands.

Abstract: An arrangement for enhancing the capabilities of emergency service provisions for telephone stations served by a cable system. In accordance with the prior art, telephone stations served by cable systems are frequently provided with access to an emergency telephone line for making emergency calls when the cable system lacks power, or is otherwise inoperative. In accordance with this invention, the emergency service line is used for making incoming calls directed to all telephones connected to the emergency line, using a different telephone number for the emergency call. Outgoing service is also provided to the telephones connected to the emergency line. Advantageously, the value of the emergency line service is substantially enhanced.

Abstract: A server (102, 204, 208) communicates with a modem, computer or other data communications device (104) to provide, for example, an information delivery service. The server produces multiple channels of data for delivery. The server uses multiple telephone lines to create a high-speed communications channel when necessary. Suppressed ringing connections are made from the server to facilitate data communications over the multiple lines of the multiple channels of data produced by the server.

Abstract: A Dial Access Stack Architecture (DASA) includes a stack of Network Access Servers (NASs) each independently establishing and processing information for communication links on a public telephone network. A primary interconnect couples the stack of network access servers together through a primary network. A routing engine is coupled through the primary interconnect to the stack of network access servers routing packets between the network access servers and an Internet network. A secondary interconnect couples the stack of network access servers together through a secondary network that operates independently of the primary interconnect. The primary or secondary interconnects each allow pairs of the network access servers to communicate with each other in parallel and independently of the routing engine. The DASA provides scalability and resiliency to fault conditions and can easily aggregate and integrate any new access media. Applications such as voice, video and multicasting can be seamlessly added.

Abstract: Disclosed is a local loop interceder which interfaces between the local loop and the central office and which provides access to the public switched telephone network (PSTN). The local loop interceder establishes a first signal pathway from the local loop to the PSTN and a second signal pathway from the local loop to a high speed data modem. The local loop interceder alternates between the first and second pathways depending upon whether the end user desires voice or data communication on the local loop. In a second embodiment, the high speed data modem is a simultaneous voice and data (SVD) modem. In such case, the local loop interceder provides a third signal pathway from the SVD modem to the PSTN for voice communication which is demodulated from a simultaneous voice and data signal received by the SVD modem through the second signal pathway.

Abstract: A modem utilizing a data access arrangement (DAA) having line side circuitry including a telephone network interface and system side circuitry including a host system interface. The line side circuitry and the system side circuitry are separated by a high voltage isolation barrier. In accordance with the invention, the high voltage isolation barrier and other DAA circuitry are configured such that information may be communicated between the system side circuitry and the line side circuitry in a digital format. In one embodiment of the invention, the high voltage isolation barrier comprises a single capacitor for communicating bidirectional digital data. In another embodiment of the invention, a pair of capacitors are provided in the high voltage isolation barrier, with the digital signals being driven is a differential manner.

Abstract: Consumer process equipment (CPE) for cost effective caller identification (CID) and call-waiting (CW) for a multi-line telephone includes a single CIDCW detection circuit and a single switch for coupling the single CIDCW detection circuit between a plurality of telephone lines. The CPE is able to process CIDCW information over a plurality of telephone lines by dynamically switching the single switch from one telephone line to another, depending upon the current state of the CPE.

Abstract: The invention is directed to multi-line data exchange systems. The invention comprises one or more telephony devices, each coupled to one or more telephone communication lines, such as a standard telephone line, T1 line, T3 line, coaxial cable, or fiber optic line. The telephony devices are equipped with data communication interfaces. These interfaces allow the telephony devices to operate on more than one telephone communication line. The telephone communication lines operate on several bandwidths, including an audio bandwidth. The telephony devices can communicate among themselves apart from the audio bandwidth of the telephone communication lines. When another telephony device is activated or ceases use on one of the telephone communication lines, the telephony devices detect this event and communicate information on the usage of the telephone communication line on the telephone communication lines at a bandwidth other than the audio bandwidth used in voice communications.

Abstract: A system and method for enabling a subscriber to receive incoming telephone calls on a telephone line and ring all of the telephones connected to a first conductor pair inside the subscriber's premises, wherein the first conductor pair would have normally been connected to the line. The telephones may be rung even when the subscriber is performing data communications with a remote data site on the telephone line. This obviates the necessity of the subscriber having to purchase a second telephone line for incoming calls while data communications are being performed, thus reducing access costs. The system and method shown advantageously employs a wiring device to reroute the telephone line from the first conductor pair connected to the phones to a second conductor pair normally not used. The system and method further employs a modem which receives telephone signals from the telephone line via the second conductor pair.

Abstract: A dial string is received from a session application that interfaces with a packet-based or circuit-switched system such as VoIP, PSTN, PBX, etc. Regular expression match patterns are compared with the input dial string. The dial plan mapper identifies one of the match patterns providing a longest match with the dial string and outputs call configuration information associated with the identified match pattern. The configuration information contains call parameters necessary for establishing the telephone call with the call destination. The configuration information format allows the dial plan mapper to specify any one of the wide variety of different session protocols that may be associated with a particular call destination.

Abstract: A method and system for redirecting long distance telephone transmissions makes use of computer hardware and software to run a network that allows transmission of telephonic messages, such as facsimile messages or alarm system related messages, through a wide area computer network, such as the Internet. The system includes, for example, one or more routers and a centralized communications center server. A telephonic message directed to an intended destination is received by the system, which sends the message over the network to the centralized communications center server. The server automatically directs the message according to the intended destination over the network.

Abstract: A circuit for permitting communication between stations of a local area network connected to a central office wherein interference such as the dial tone from the central office is eliminated during station to station communication. The modem of a first station has a data processor which analyzes a number dialed at the first station. When the number is intended for a second station who is a network member, the central station is disconnected from the first station and line current is supplied by a current generator local to the first station. The signal is transmitted from the first to the second station by capacitive coupling. A telephone pickup is made at the second station and when the incoming call is from the first station, then line current to the second station is received from a current generator local to the second station and not from the central station thereby eliminating dial tone.

Abstract: A method or apparatus to be used with a telephone system, such as a private branch exchange (PBX) trunk, for transmitting extended station information to an emergency call handling center, such as a public safety answering point (PSAP). The apparatus has a central processing unit (CPU) which is connected a PBX interface, a memory database, a first loop interface, and a second loop interface. The PBX interface is connected to the PBX trunk and receives an emergency call from a specified station which initiated the emergency call. The memory database stores information on the plurality of extension stations within a facility. The first loop interface is connected to the PSAP. The second loop interface is also connected to the PSAP. The CPU connects the audio of the emergency call to the first loop interface which in turn transmits the audio to the PSAP.