Abstract: There is provided a SIP communication system or the like which, by performing SIP communication between a terminal and a call control server, performs position registration or calling control of the terminal and provides one or multiple supplementary services for an incoming/outgoing call in accordance with subscriber information managed by a home subscriber server, wherein the call control server is provided with supplementary service function sections for providing the multiple supplementary services, respectively, and a service management section for causing the services of the multiple supplementary service function sections to be distributed and executed while managing conflicts.

Abstract: According to the present invention there are provided a system, method and program storage device for establishing a connection for an endpoint to a scheduled audiovisual conference between a plurality of participants, the plurality of participants connecting to the audiovisual conference from a plurality of endpoints, connections for the plurality of endpoints to the audiovisual conference being maintained by a multipoint control unit, comprising: receiving a request at a conference control server from a participant to connect an endpoint associated with the participant to the scheduled audiovisual conference; obtaining an IP address or a telephone number for the endpoint; writing the IP address or the telephone number for the endpoint to the multipoint control unit; and communicating audiovisual conference data from the multipoint control unit to the endpoint via the IP address or the telephone number, thereby enabling the endpoint to be connected to the audiovisual conference.

Abstract: Methods, systems, and machine-readable media are disclosed for providing multi-media conferencing. According to one embodiment, a method for providing a multi-media conference can comprise receiving a request to participate in the conference from a first client via a signaling protocol. For example, the signaling protocol comprises Session Initiation Protocol (SIP) or another signaling protocol. The first client and a media server adapted to support the conference can be invited to join the conference via third-party call control of the signaling protocol. The method can also include assigning a conference identifier to the conference. In such a case, inviting the first client and the media server can comprise sending invitation messages to each of the first client and the media server wherein the invitation messages include the conference identifier.

Abstract: In one embodiment, the invention provides a method comprising loading a set of transport components into a memory; initializing each transport component of the set of transport components to listen on a particular conferencing interface using a listen string to associate with a network interface, each transport component of the set of transport components listening to a different conferencing interface, the listen string encapsulating parameters to one or more calls to listen; receiving an incoming call signal on the network interface having an incoming conferencing interface; processing the incoming call signal to detect the incoming conferencing interface; and launching an application based on the incoming conferencing interface. Other embodiments of the invention are also described.

Abstract: A network access point can serve as a bridge between an 802.11 network and a cellular network. The network access point can receive packets from the 802.11 network and reformat the packets for transmission over the cellular network. Similarly, the network access point can receive packets from the cellular network and reformat them for transmission over the 802.11 network.

Abstract: A method and system for communication between wireless networks connected through a wired network in a coordinator-based wireless network environment are provided. According to the method for communication, a wired/wireless relay device that attempts to associate with an initial coordinator-based wireless network notifies a coordinator of information indicating that it acts as a relay device. The coordinator sends the information to wireless network devices within an appropriate coordinator-based wireless network, and each of the wireless network devices transmits data to be transmitted to a device within a different coordinator-based wireless network to the relay device. When the relay device sends the data to a relay device in a coordinator-based wireless network a destination wireless network device belongs to through a wired network, the relay device in the same coordinator-based wireless network as the destination wireless network device sends the data to the destination wireless network device.

Abstract: This invention relates to a SIP and SDP protocols. The idea of the invention is to modify SDP descriptions included in SIP messages to facilitate transcoding. After receiving an INVITE message from a calling party, the SIP proxy negotiates with a transcoder for getting a list of codecs of the transcoder and their address information. The SIP proxy adds the codec list of the transcoder to the received SDP description in the invite message, and sends this way modified SDP description in an INVITE message to a called party. After receiving the modified SDP, the called party selects codecs or a list of suitable codecs according to preferences in the modified SDP and its own preferences.

Abstract: A system and method for teleconferencing using multiple media mixers is provided. In an exemplary embodiment, a conferencing system may include a conference control server in communication with a central media mixer (CMM) and one or more edge media mixers (EMM). The conference control server may create a media path that connects the CMM and the EMM(s) via a call-control protocol. Additionally, conference participants may communicate with one another by connecting to the CMM and/or the EMM.

Abstract: According to the present invention there are provided a system, method and program storage device for establishing a connection for an endpoint to a scheduled audiovisual conference between a plurality of participants, the plurality of participants connecting to the audiovisual conference from a plurality of endpoints, connections for the plurality of endpoints to the audiovisual conference being maintained by a multipoint control unit, comprising: receiving a request at a conference control server from a participant to connect an endpoint associated with the participant to the scheduled audiovisual conference; obtaining an IP address or a telephone number for the endpoint; writing the IP address or the telephone number for the endpoint to the multipoint control unit; and communicating audiovisual conference data from the multipoint control unit to the endpoint via the IP address or the telephone number, thereby enabling the endpoint to be connected to the audiovisual conference.

Abstract: The present invention provides a communication assistance process that is performed by a communication assistance device connected to a plurality of user terminals via a network. During a communication (or video) conference call, when assistance data associated with a topic in the conference is provided to a plurality of user terminals in the form of a voice data, the communication assistance process adjusts the sound volume of voice data in the assistance data if it was determined that voice data is included in the communication data received from the plurality of user terminals, and if voice data is also included in the assistance data, the assistance data that includes sound volume adjusted voice data is then provided to the plurality of user terminals. Accordingly, the communication assistance process allows communications in a conference system to proceed smoothly.

Abstract: A first communication node of a plurality of communication nodes connected with processorless central equipment in a system sends one or more first portions of node-output information to the processorless central equipment. One or more additional communication nodes of the plurality of communication nodes send one or more additional portions of node-output information to the processorless central equipment. The first communication node receives from the processorless central equipment a portion of central-output information. The portion of central-output information comprises the one or more first portions of node-output information and the one or more additional portions of node-output information.

Abstract: A WLAN (Wireless Local Area Network) receiver having a synchronization unit is provided. The synchronization unit comprises a first functional unit for performing a first signal processing function, a second functional unit for performing a second signal processing function different from the first signal processing function, and at least one signal processing circuit. In the synchronization unit the first functional unit is operating at least one of the signal processing circuits for performing the first signal processing function, and the second functional unit is arranged for operating the at least one signal processing circuit operated by the first functional unit for performing the second signal processing function. Since the above-described signal processing circuits or modules can be re-used for the antenna diversity unit and the preamble detection unit this results in a smaller number of gates and an improved density of the circuitry.

Abstract: A network, network device and method is disclosed. A network of network nodes is disclosed in which the network nodes securely transmit communication signals using one or more spatial parameters unique to the network nodes. A data positioning device capable of operating as a node in a network of the present invention is also disclosed.

Abstract: A system and method for providing centralized control of one or more communication services, includes an Integrated Services Controller (ISC), which is in communication with any number of communications networks, such as the Public Switched Telephone Network or in the Internet. The ISC may be further configured to dynamically receive a Message Registration List (MRL) through an interactive exchange of commands with one or more communications services. This MRL may include one or more messages in which a particular communications service has a notification interest. The ISC may provide centralized processing for messages received from the communications services. Intelligent prioritization rules may be configurable by a communications service provider so as to affect the prioritization of the communications services by ISC.

Abstract: A conferencing system includes an input configured to receive N encoded speech signals from N terminals, and a signal processing arrangement configured to determine L encoded signals, of the N encoded speech signals, each indicative of an amount of sound that is louder than amounts of sound indicated by signals of the N encoded signals other than the L signals, the signal processing arrangement being further configured to produce at least N minus L sets of signals similar to the L signals and to transmit at least a set of the similar signals toward each of the terminals other than the terminals from which the L signals were received.

Abstract: A method of providing push-to-talk and push-to-conference functionality in a CDMA system. Participants, in one embodiment, may be divided into active and inactive participants with active participants assigned a private uplink/downlink channel pair by the communication system. Inactive participants may be assigned a public downlink channel. In one embodiment, silent active participants of a conference or talk session are timed out and the private uplink/downlink channel pair previously assigned to such individuals are released for use elsewhere in the network or by other members of the conference. In a push-to-talk embodiment one private uplink/downlink channel pair may at any given time be passed between the presently active members of the group.

Abstract: Conventional Internet access service and new computer programs are added to a conventional telephone central office. This system is able to alert a subscriber whose telephone line is connected to the Internet of a waiting call via the Internet access connection. Specifically, in response to a call that is waiting for a subscriber, the system establishes a new communication with the subscriber using the Internet access connection and new programs in the subscriber's data terminal. The system then notifies the subscriber of the waiting call via the Internet access connection. The system may then forward the telephone call to the subscriber via the Internet access connection responsive to a subscriber's request to do so without terminating the subscriber's Internet connection, or the subscriber may choose to answer the call in a conventional manner, or may select another option in response to the call notification.

Abstract: When a program transmission apparatus divides a program into a plurality of partial programs before transmission, a program reception execution apparatus executes a partial program when the partial program has already been received, and, when the execution needs to proceed to from a present partial program to a next partial program, executes the other partial program when the next partial program has been received.

Abstract: A communication device which comprises transfer rate estimation means for estimating transfer rate of media data other than digital audio data before transmission, data amount controlling means for controlling data amount of the digital audio data to be transmitted in accordance with the transfer rate estimated by said transfer rate estimation means, and transmission means for transmitting the audio data whose data amount is controlled by said data amount controlling means and the media data other than the audio data.

Abstract: An outbound message (200) identifies a slot type associated with each timeslot in a scheduling period. In one embodiment, the outbound message further identifies at least an address of a first subscriber group assigned to transmit in a first timeslot (206) if the slot type of the first timeslot is of a first type and an address of a second subscriber group assigned to transmit in a second timeslot (208) if the slot type of the second timeslot is of a second type, wherein the first type and the second type could be the same or different. In a second embodiment, the outbound message further identifies at least a group address associated with a plurality of subscriber units assigned to transmit in a first timeslot if the slot type of the first timeslot is of a first type.

Abstract: For encoding externally input AV signal to MPEG-TS that enables quickly conversion from MPEG-TS to MPEG-PS, data unit (Multiplexing Unit) is defined which includes a plurality of packet and has data size corresponding to data amount of one pack in MPEG-PS, and MPEG-TS is encoded for each defined data unit. Furthermore, time stamp information (ATS) added to a packet of MPEG-TS which is converted to MPEG-PS and time stamp information (SCR) added to a packet of the converted MPEG-PS are correlated with a predetermined formula.

Abstract: An apparatus of the present invention is an apparatus including a communication section for communicating with another apparatus. The apparatus includes: a registration detection section for detecting grouping registration information which is provided to each of a plurality of apparatuses to be grouped and registered; a storage section for storing group information which indicates that the apparatus and the other apparatus are in the same group; and a control section for controlling the communication section, the registration detection section and the storage section.

Abstract: An MPEG compression circuit records attached information (referred to as FF_PCK) at the initial address of a VOBU in which NV_PCK is to be recorded. NV_PCK is playback auxiliary information and is referred to when playing back moving images in DVD-Video format. Attached information (FF_PCK) has a data size equal to or larger than NV_PCK. FF_PCK is replaced by NV_PCK when converting MPEG2 data into DVD-Video data. As a result, it is not necessary to demultiplex and remultiplex moving image data and sound data so that data can be converted efficiently.

Abstract: The invention provides an apparatus and method that allows the operator of each user device participating in a multimedia conference to selectively receive information services during the multimedia conference. The apparatus includes a controller for receiving start-up signals from a user device, sending start-up requests to destination user devices, and receiving start-up signals from the destination user devices. The start-up signals may include information as to whether each user device requests information services to be provided during the multimedia conference. The controller establishes the multimedia conference and selectively provides the information services to the respective user devices. The information services are provided continuously or non-continuously at the preference of the user devices. The information services may also be provided in various formats at the preference of the user devices.

Abstract: Methods and apparatuses for processing media data for transmission in a data communication medium. A set of data indicates how to transmit a time related sequence of media data according to a transmission protocol. The set of data, includes a time related sequence of data which is associated with the time related sequence of media data. The set of data may be utilized by a digital processing system to transmit the time related sequence of media data (e.g., by packets generated according to the transmission protocol and the set of data).

Abstract: Methods for integrating mobile electronic devices with computational methods for assigning priorities to documents are disclosed. In one embodiment, a computer-implemented method first receives a new document such as an electronic mail message. The method assigns a priority to the document, based on a text classifier such as a Bayesian classifier or a support-vector machine classifier. The method then alerts a user on an electronic device, such as a pager or a cellular phone, based on an alert criteria that can be made sensitive to information about the location, inferred task, and focus of attention of the user. Such information can be inferred under uncertainty or can be accessed directly from online information sources. One embodiment makes use of information from an online calendar to control the criteria used to make decisions about relaying information to a mobile device.

Abstract: The present invention provides a communication system and a communication method, whereby a communication status in wireless communications can be arbitrarily designated at the mobile station side, thereby enabling the optimization of communication costs according to the communication status, the structure of the communication system including a mobile station 20 and a base station 30. The mobile station 20 comprises a controller 21, antenna 24, receiving circuit 22, transmitting circuit 23, input device 26 that allows the user 10 to input information and display panel 25 to display information and the like, and the base station 30 comprises a controller 31, antenna 34, receiving circuit 32, transmitting circuit 33 and charge calculating device 41. The use 10 is allowed to set up a communication status arbitrarily via the input device 26, thereby enabling the optimization of communication costs according to the communication status.

Abstract: Parallel data network and telephone network communications are established to facilitate a collaboration combining the data transfer and document sharing strengths of a data network with the superior audio communication of a telephone network. The method involves receiving an identifier of a calling station and called station, determining the IP addresses of computers associated with the calling station and called station, and causing the computers of the called and calling stations to establish a data-only collaboration. In an alternative embodiment, the method additionally involves determining the CLIDs associated with the calling and called stations, and connecting the telephones of the called and calling stations.

Abstract: The present invention provides methods and apparatus for implementing spatial multiplexing in conjunction with the one or more multiple access protocols during the broadcast of information in a wireless network. A subscriber unit for use in a cellular system is disclosed. The subscriber unit includes: spatially separate receivers, a spatial processor, and a combiner. The spatially separate receivers receive the assigned channel composite signals resulting from the spatially separate transmission of the subscriber downlink datastream(s). The spatial processor is configurable in response to a control signal transmitted by the base station to separate the composite signals into estimated substreams based on information obtained during the transmission of known data patterns from at least one of the base stations. The spatial processor signals the base stations when a change of a spatial transmission configuration is required.

Abstract: A method, system, and apparatus of processing a data file stored in a computer memory in digital form. The method including selecting a packet size that is a number of bits between one and a subframe size within an input file containing data stored in frames and subframes format, wherein the data file stored in a computer memory in digital form; separating the data into consecutive packets of the selected size; repositioning the packets located in similar positions within a frame adjacent to one another; and storing the packets in an output file for further processing by a compression algorithm. The system includes a processor for executing the method and a memory for storing an output data file. The apparatus including a computer readable medium having computer executable instructions thereon for executing the method.

Abstract: When a program transmission apparatus divides a program into a plurality of partial programs before transmission, a program reception execution apparatus executes a partial program when the partial program has already been received, and, when the execution needs to proceed to from a present partial program to a next partial program, executes the other partial program when the next partial program has been received.

Abstract: An order processing apparatus, which realizes an easy-ordering environment for ordering an image displayed on a display medium or an article that is a photographed object in that image. A customer photographs an image displayed on a television using a portable device and transmits the image data, together with information representing the content of the order, from the portable device to the order processing apparatus. The order processing apparatus specifies image data corresponding to the photographed image by collating the image data of the photographed image with the original image data stored in storage devices in a plurality of television broadcasting stations, and processes delivery of the printed image or the article that the customer photographed to the customer.

Abstract: Methods and apparatuses for processing media data for transmission in a data communication medium. A set of data indicates how to transmit a time related sequence of media data according to a transmission protocol. The set of data, includes a time related sequence of data which is associated with the time related sequence of media data. The set of data may be utilized by a digital processing system to transmit the time related sequence of media data (e.g., by packets generated according to the transmission protocol and the set of data).

Abstract: A system and method for setting up a multi-party conference call in a packet-switched radio telecommunications network in which a Gatekeeper (GK) has established an on-going two-party call between a first party and a second party. The first party sends an enhanced Facility message to the GK that indicates a multi-party conference call is desired, and includes a globally unique conference identity and a list of telephone numbers for third parties to be joined. A Multipoint Controller (MC) provides an Internet Protocol (IP) address of a Multipoint Processor (MP) to each of the parties, and provides the IP addresses of the parties to the MP. The MC then negotiates media sessions with each of the parties, and sends the negotiation results to the MP. Each of the parties then sends its media payload to the MP where the payloads are mixed and forwarded to the other parties.

Abstract: A telecommunication system routes wireless-specific digital frames from a first wireless communication device across a data-oriented network, without vocoding, for information delivery to a second communication device while implementing multi-party conferencing and tone/announcement generating functionality. Tone and announcement generation services are provided while the call path retains the wireless-specific digital frame format between the first wireless communication device and the terminating gateway. When tones are generated by the first wireless communication device, signaling messages are sent directly to the terminating gateway vocoder to initiate the generation of full rate DTMF tones at the terminating network. When tones and announcements are sent to the first wireless communication device, a resource server, working together with a feature server, generates a wireless-encoded version of the tone or announcement.

Abstract: An audio codec having an encoder and a decoder is disclosed. The encoder enables the compression of an audio signal for transmission or storage while the decoder receives a compressed audio signal for playback. A time scaling module within the decoder allows variation of the playback rate of the compressed audio signal. Further, no significant depreciation in the quality of pitch occurs as a result of varying the playback rate. The codec features a control for independently varying the playback rate and a module for delivering pitch compensation. The encoder utilizes a sub-band coding scheme (e.g., MPEG-1 and MPEG-2) wherein an audio signal is split into at least two frequency sub-bands for compression. Using a filter bank having two filters, for example, the audio signal is split into the frequency sub-bands. An decoder having a time scaling module is further disclosed. The time scaling module time stretches or compresses an audio signal as desired using a synchronized overlap and add (SOLA) algorithm.

Abstract: In a television telephone and other communications apparatus for multimedia information, only voice messages are provided as response messages in an answer recording mode in order to implement the curtailment of accumulation media, and at the same time, means is materialized to be able to execute transmission while confirming whether or not the image information is transferred to the accumulation media as intended by the transmission side without requiring any provision of special functions and operations.

Abstract: A system for computer supported collaboration is provided wherein two applications, having individual input devices, are coupled to a network which transmits application data between the two applications. Each application is capable of processing its own application data and the application data of the application at the remote end of the network simultaneously.

Abstract: A method and apparatus that process messages within a wireless communications system based on originator priority and recipient priority is accomplished when a server (12, 52) receives a message from an originating party (50). The message includes identity of the receiving party (54), originator priority information, and message content. Upon identifying the receiving party, the server retrieves recipient priority information of the receiving party. The server then merges the originator priority information with the recipient priority information to produce a message priority. In addition, the server generates a recipient index, which identifies an address for subsequent retrieval of the message content. Next, the server provides notice of the message to the receiving party based on the message priority. The notice of the message may be sent to the receiving party's pager, cellular telephone, e-mail account, facsimile machine, wireline telephone, or answering service.

Abstract: Methods and apparatuses for processing media data for transmission in a data communication medium. A set of data indicates how to transmit a time related sequence of media data according to a transmission protocol. The set of data, includes a time related sequence of data which is associated with the time related sequence of media data. The set of data may be utilized by a digital processing system to transmit the time related sequence of media data (e.g., by packets generated according to the transmission protocol and the set of data).

Abstract: A video access apparatus (110, 150, 750, 850) provides for audio and video teleconferencing and telephony via a first communication channel (103) coupled to a primary station (105) having communication with a network (140), such as the public switched telephone network or an ISDN network. The video access apparatus (110) includes a video network interface (210); a radio frequency modulator/demodulator (205); a user interface (215); and a processor arrangement (190). A videophone apparatus (700, 800) is coupleable to a video access apparatus via a second communication channel for video reception and transmission, and via a third communication channel for audio reception and transmission. The videophone apparatus includes a video monitor (715), a camera interface (235), a video camera (720), and a telephony module (710).

Abstract: The present invention provides for a receiver addressable AM compatible digital broadcast system and method. The digital broadcast signal includes a plurality of digitally modulated signals and an analog signal. A transmitter useable within the system includes a data combiner for generating an aggregate digital data signal, and a waveform generator for forming the digital broadcast signal. A receiver useable within the system comprises a waveform detector for separating the signals and a data parser for separating the digitally modulated signals. The present invention further provides for a method of selectively transmitting data via a digital broadcast signal. The method includes forming the digital broadcast signal from an analog signal and a plurality of digitally modulated signals, transmitting and receiving the digital broadcast signal.

Abstract: The invention discloses techniques for providing automatic retransmission query (ARQ) functions in a communication system. A transmitter in the system applies an input data packet to a first convolutional encoder operating at a first rate to generate an inner code including multiple encoded packets. The encoded packets are interleaved and applied to a second convolutional encoder operating at a second rate which generates an outer code including a transmit packet generated from each of the encoded packets. A first transmit packet is sent to a receiver, which decodes the transmit packet in a Viterbi decoder operating at the second rate to generate a decoded version of the first transmit packet. The decoded version is inverted to provide a first provisional decoding of the input packet. If a cyclic redundancy code (CRC) check of the first provisional decoding is passed, the receiver sends an ACK signal to the transmitter and no retransmission is required.

Abstract: A method and apparatus for providing broadband conferencing services is provided. The method includes the steps of establishing a voice channel over a circuit switched telephone network and a virtual data channel over a packet data network between at least two parties. The apparatus includes a telephone line and a digital data line sharing a single subscriber loop in addition to a system for establishing a virtual data channel over a packet data network. Further, an advanced intelligent network telephone network having a first database of customer premise equipment and a second database having data addresses associated with the customer premise equipment is disclosed.

Abstract: A multipoint video conferencing system in which the video conferencing terminals are in a daisy-chain arrangement with the head-of-chain terminal connected to the ATM network. ATM cells are relayed from the ATM network downstream to the last terminal, and from each terminal upstream to the network. Each video conference terminal has a video program input port provisioned with a unique ATM address, and a plurality of video program out ports, each provisioned with one of the video program input port addresses. ATM cells generated from each video program input port are transmitted upstream to the ATM network where they are relayed back to the head-of-chain terminal and then downstream to the last terminal. Each video conferencing terminal may also receive ATM cells having addresses that match the addresses provisioned for its video program output ports. These cells are converted to analog video programs and transmitted out the associated video output ports.

Abstract: A multimedia collaboration system that integrates separate real-time and asynchronous networks--the former for real-time audio and video, and the latter for control signals and textual, graphical and other data--in a manner that is interoperable across different computer and network operating system platforms and which closely approximates the experience of face-to-face collaboration, while liberating the participants from the limitations of time and distance. These capabilities are achieved by exploiting a variety of hardware, software and networking technologies in a manner that preserves the quality and integrity of audio/video/data and other multimedia information, even after wide area transmission, and at a significantly reduced networking cost as compared to what would be required by presently known approaches. The system architecture is readily scalable to the largest enterprise network environments.

Abstract: A distance learning system consists of a plurality of multi-cast clients of various classes and priorities with one multi-cast client as a primary multi-cast client, a multi-cast server, arbitrator and a distance learning session coordinator. The primary multi-cast client provides the default or primary Audio-Visual Material (AVM) stream. The Multi-Cast Server (MCS) setups a multi-cast over a point to multi-point connection which connects all multi-cast clients that are to take part in a particular distance learning session, along with the Primary multi-cast client. Additionally, the primary multi-cast client is connected to the MCS via a point-to-point link. The multi-cast clients and the primary multi-cast client receive an AVM material stream from the multi-cast server via the point to multi-point connection. When a multi-cast client wishes to speak, a speaking request is sent to the arbitrator, the arbitrator determines whether to grant or deny the speaking request.

Abstract: An Internet/telephone adaptor device to link a regular telephone call with an Internet call without requiring software that is specific to each proprietary encoding scheme. The device is designed to operate with a data network terminal haling audio/data conversion means for reversibly converting voice signals to a data format for telephone-like communication over a data network. In a preferred embodiment, the adaptor device is provided as an add-on accessory to existing computer terminals having a sound card, making them capable of handling Internet calls. The adaptor is connected both to the computer and to the telephone line, enabling linkage of regular and Internet calls. With the adaptor device, a user can easily arrange conference calls between Internet users and telephone line users. A hold call feature is also provided to simplify user handling of calls.

Abstract: A plurality of local stations each respectively have terminal equipment for coding in a compressing manner and multiplexing audio data, video data and cnotrol data of the local station to obtain a first multiplex data, and demultiplexing and decoding in a decompressing manner a second multiplex data input thereto from a control station connected by a communication line to the local station. The control station has a multi-point videoconference controller for responding to the control data in the first multiplex data from any local station to process the first multiplex data from a selected station, to generate the second multiplex data to be transmitted to each of other local stations than the selected station. The second multiplex data to the other local stations includes the audio data and the video data in the first multiplex data from the selected station.

Abstract: Apparatus and methods for transmitting digital multi-media signals in asynchronous transfer mode over unshielded twisted pair wiring in a multi-point topology in an improved cost-effective manner. The multi-media digital signals originate from and are received by a plurality of receiving stations connected via twisted pair wiring.