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6020915 |
Method and system for providing an analog voice-only endpoint with pseudo multimedia service
An enduser at a POTS analog voice-only endpoint (136) and endusers at H.320 standard multimedia terminals (101, 102, 103, 104), which each communicate over separate voice, video and data streams,...
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6018360 |
Method of switching a call to a multipoint conference call in a H.323 communication compliant environment
A method of switching a call to a multipoint conference call includes sending a message (201) from a first terminal (105-T1) to a gatekeeper (102) which provides address translation and control...
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6011851 |
Spatial audio processing method and apparatus for context switching between telephony applications
Multiple audio streams are spatially separated with a context switching system to allow a listener to mentally focus on individual point sources of auditory information in the presence of other...
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6008838 |
Multi-point video conference system
A multi-point video conference system includes a plurality of CODECs which are set at multiple points and participate in a conference, and a multi-point control unit for transmitting/receiving...
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6005845 |
System and method for IP-activated call setup
A system and method for facilitating the automatic or programmatic set up of calls and store-and-forward services by or under the direction of an IP in an Intelligent Network (IN)...
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5995607 |
Enhanced telephony trunk routing
An apparatus and a method for enhancing telephony trunk routing includes a call requirements assessor which identifies call requirements associated with a call request. In particular, the call...
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5995827 |
Method of muting a non-speaking cellular telephone caller participating in a conference call
A facility is provided in wireless communications system which causes a base station to substitute predetermined signals for speech and/or noise signals that are received from a wireless station...
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5991385 |
Enhanced audio teleconferencing with sound field effect
An audio teleconferencing apparatus and method provide an audio sound field among a plurality of teleconferencees creating a sense of a virtual conference table having a spatial location for each...
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5990933 |
Apparatus and method for storage and playback of video images and audio messages in multipoint videoconferencing
In a multipoint control unit for conferencing audiovisual terminals, conference participants are greeted with audio and video welcome messages and then placed in an automated queue. The automated...
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5991277 |
Primary transmission site switching in a multipoint videoconference environment based on human voice
A method for determining a talk/listen state using voice detection includes receiving an audio sample and detecting whether the audio sample includes voiced sound. The audio sample represents sound...
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5982855 |
Automatic telephone answering apparatus
Messages can be exchanged between two callers with ease by using an automatic telephone answering apparatus without calling the automatic telephone answering apparatus repeatedly. An automatic...
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5978463 |
Reservation scheduling system for audio conferencing resources
An automated scheduling system schedules audio conferences for an audio conferencing system. The scheduling of an audio conference results in the reservation of audio conferencing resources for a...
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5973724 |
Merging multiple teleconferences
An automatic method in a teleconferencing system for merging at least two ongoing teleconferences. A first endpoint transmits a merge request message to the at least two teleconferences to a second...
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5970137 |
Loudspeaker gain correction for a hands-free telephone terminal
A hands-free telephone terminal includes a loudspeaker (HP), a microphone (MI) and loudspeaker gain control means (AUG, DIM, PP). A loudspeaker gain correction method cyclically determines a...
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5963631 |
Wayside communications safety system
A wayside communications safety station is used along rail lines by passengers in distress or crew members, for routine communications among maintenance personnel, and for communications among...
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5959977 |
Apparatus for embodying combined time switching and conference calling functions
An apparatus for embodying integrated time switching and conference calling functions in a private exchange system, comprising a first converter for converting serial mode channel data from a...
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5953400 |
Communication system for a closed-user group
A node configured for use in a telecommunications network. The node is programmable via an end-user-accessible interface to provide a mnemonic dialing service. The mnemonic dialing service allows...
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5953399 |
PBX selective caller identification authentication
The present invention uses capabilities of the advanced intelligent network (AIN) to control an authentication process of caller ID information data generated at a calling PBX system. The central...
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5951637 |
Bandwidth reservation system
A system, method, apparatus, and storage medium for establishing a data conference with an end point of a communications network. According to one embodiment, a node requests from the end point a...
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5943321 |
Circuit set-up and caching for multimedia multipoint servers
An MMS circuit set-up system includes a real time link manager (RTLM) which is coupled to the audio video controller (AVC) of the MMS. The AVC receives data from the MMS reservation system about...
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5936662 |
Video conference control system using an integrated services digital network
A multipoint video conference control system for controlling a video conference system by simultaneously connecting three or more video terminals using an ISDN includes a main controller having...
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5933417 |
Multimedia multipoint telecommunications reservation acceptance systems and controllers
A multimedia conference reservation controller and reservation acceptance system includes a database of all presently reserved resources on each MMS controlled by the reservation controller which...
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5930698 |
Method and apparatus for efficient law enforcement agency monitoring of telephone calls
Each network handled call, including its original leg and all subsequently initiated related call legs, is assigned a single unique identification number. When a determination is made that the call...
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5924016 |
Control and monitoring apparatus and method for a telephone system
A telephone switching and control system connected to a telephone network for providing telephone calling services to an authorized user. The telephone switching and control system monitoring a...
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5916302 |
Multimedia conferencing using parallel networks
A conference server system, for internal use in the public switched telephone network (PSTN), links to public data communication networks (e.g. the Internet) for distributing computer displayable...
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5912882 |
Method and apparatus for providing a private communication system in a public switched telephone network
A private communication network through which a plurality of member users communicate using the public switched telephone network (PSTN) is disclosed herein. Each member user utilizes either a...
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5905790 |
Single phone line device for automatic interconnection from a remote location
An interconnect circuit is described which provides automatic three-way connection between a single base telephone line and any telephone destination, while under control of a caller from a remote...
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5903637 |
System and method for call conferencing
A call conferencing system and method includes a conference call controller and a conference bridge. The conference bridge includes a plurality of conference ports, to which conference participant...
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5903629 |
Apparatus and method for automated audio teleconferencing having enhanced reconfiguration features
An audio teleconferencing apparatus includes one or more conference bridges for establishing an audio teleconference between conference attendees, and a conference controller for controlling the...
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5898675 |
Volume control arrangement for compressed information signals
The arrangement of the invention allows for modifying amplitude, frequency or phase characteristics, for example, of an audio or video signal in a compressed signal system without altering the...
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5898676 |
Method, communication system and conference unit for carrying out conferences
It is proposed to use several distributed conference units (KE1, KE2) in a conference system (KS) for carrying out conferences, particularly broadband conferences, and to mix the signals (S1 . . ....
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5896565 |
Remote conference calling for wireless systems
A method and means by which a called telecommunications device (14), connected on an established PSTN telecommunications link (18) with a wireless caller telecommunications device (12), can...
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5889844 |
Conferencing method for telephone switch system
A conferencing method for a telephone switch system for performing a conferencing function. In addition to a simple conferencing function, if there is a call request from a new subscriber, a...
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5889843 |
Methods and systems for creating a spatial auditory environment in an audio conference system
A method and a system for audio communication between a plurality of users at a plurality of sites utilizes a set of audio input sensors at each site. Each set of audio input sensors binaurally...
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5883947 |
Method of and apparatus for connecting terminals between stations
The present invention provides a method of and an apparatus for connecting terminals between switches wherein a connection of terminals via a plurality of switches can be established using a...
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5881156 |
Portable, multi-functional, multi-channel wireless conference microphone
A wireless conference microphone has a conical base housing with a downward-mounted microphone. A single circuit board is mounted above the microphone, and its circuits transmit the microphone...
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5878214 |
Computer-based group problem solving method and system
A computer-based method of innovatively solving one or more problems using a group assembled at a computerized meeting. One participant of the group is the client who is the owner of or is...
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5864670 |
Communication network system in which an unregistered terminal being used by a party can be located for starting a session
An object of the present invention is to offer a communication network system in which it is possible to connect a logical channel for performing information exchange or information communication...
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5862329 |
Method system and article of manufacture for multi-casting audio visual material
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...
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5859663 |
Audio control system for video teleconferencing
A visual indicator is employed on screen at each station of a video teleconference to inform respective participants of their place in a talk request queue. The indicators are controlled...
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5852656 |
Electronic conference system and conference server apparatus
When requests to attend a conference or requests to withdraw from a conference are issued from user terminals or voice input/output units, network equipment refers to connection addresses of these...
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5852466 |
Teleconference system
A teleconference system by which a reservation for use can be readily and certainly established. The teleconference system includes an input unit for inputting image data and audio data; an output...
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5848132 |
Telecommunications network having resident ability to pre-book scheduled call back services
Automated call booking, call reconnection and diary booking services are described with reference to an intelligent network. The network includes service switching points (SSP) and a service...
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5844977 |
On-hook customer premise equipment alerting signal detection
An apparatus for detecting customer premise equipment alerting signals (CAS) in a first telephone having a transmit circuit and a receive circuit and a hybrid line termination for connecting the...
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5838665 |
Data network telephone adaptor device
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...
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5835713 |
Remote collaboration system for selectively locking the display at remote computers to prevent annotation of the display by users of the remote computers
The invention concerns using multiple computers to hold a conference. Under the invention, an application program can run on a single computer, yet remote participants can issue commands to the...
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5825858 |
Collaborative conference bridges
A method and apparatus for executing a conference call session between parties provides collaboration between nodes having separate conference-bridging capabilities, so that selection from a number...
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5822529 |
Distributed bidirectional communication network structure in which a host station connected to a plurality of user stations initially assists only in setting up communication directly between user stations without going through the host station
In a communication network structure, a communication network system using the communication network structure and a communication method for the communication network system, a plurality of user...
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5821984 |
Communication conference system with storage of conference information including proceedings data
When a closing time for data transmission is reserved by a transmission source terminal, a multi-point control unit secures idle time periods of a destination terminal before the closing time, and...
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5818616 |
Optical communication apparatus and conference system
In a conference system of the present invention, a terminal modulates a sound signal taken by a micro-phone which is connected to the terminal, a coordinate information signal which is designated...
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