1
James M Dunn, Colin George Harrison, Edith Helen Stern, James J Toohey, Barry Edward Willner: Multimedia conferencing using parallel networks. International Business Machines Corporation, Richard A Tomlin, Robert Lieber, June 29, 1999: US05916302 (256 worldwide citation)

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 data between participants in voice telephone conferences. The server system includes a computer sub-syst ...


2
James M Dunn, Edith Helen Stern: Wireless 911 emergency location. International Business Machines Corporation, Richard A Tomlin, Robert Lieber, February 16, 1999: US05873040 (186 worldwide citation)

A system arrangement and method are disclosed for determining location of a wireless mobile unit involved in a call for public emergency assistance (e.g. a "911" call). The system is cost-effective in that it makes extensive use of existing telecommunication infrastructures, and does not require eit ...


3
James M Dunn, Edith H Stern: Internet telephony callback system and method of operation. International Business Machines Corporation, Joseph C Redmond Jr, Morgan & Finnegan L, January 2, 2001: US06169795 (175 worldwide citation)

A system and method to implement callback for unanswered telephone calls in an Internet Telephony Callback system. A calling station and a called station are each connected to the system through a local and remote service provider, respectively, each provider including a voice gateway and callback s ...


4
James M Dunn, Alan George Ganek, Colin George Harrison, Edith Helen Stern, Barry Edward Willner: User invocation of services in public switched telephone network via parallel data networks. International Business Machines Corporation, Richard A Tomlin, Robert Lieber, June 29, 1999: US05917817 (175 worldwide citation)

This invention allows customers and other users of the Public Switched Telephone Network (PSTN) to enable, disable or modify special services provided by the network. The PSTN is defined here as all equipment world wide (land-based, radio or other) enabling ordinary telephone users to connect to oth ...


5
James M Dunn: System for location of communication end users. International Business Machines Corporation, Barry L Haley, George E Grosser, August 19, 1997: US05659596 (137 worldwide citation)

A system for location of communication end users including a plurality of wide area networks which control the transmission of voice, data, file and other types of messages in a preconfigured exchange area, each area network including a plurality of local servicing offices controlled by a central re ...


6
James M Dunn, Alan George Ganek, Edith Helen Stern, Barry Edward Willner: Integrated telephony and data services over cable networks. International Business Machines Corporation, Richard A Tomlin, Robert Lieber, December 7, 1999: US05999612 (119 worldwide citation)

A newly developed computer adapter and call routing system allow for cable television networks (or other broadband networks) to offer digital telephony services seamlessly; i.e. in a manner such that a user receiving the service is unaware of any difference between that service and comparable teleph ...


7
James M Dunn, Bruce P Semple, Edith H Stern, Barry E Willner: Wireless telecommunications system and method of operation providing users′ carrier selection in overlapping hetergenous networks. International Business Machine, Joseph C Redmond Jr, Morgan & Finnegan, July 8, 2003: US06591103 (115 worldwide citation)

An improved wireless telecommunication system enables a user to obtain communication services in overlapping wireless heterogeneous or homogeneous cellular networks at the most economical cost and bandwidth. A plurality of overlapping cellular networks includes a common command channel, a Central Se ...


8
James M Dunn, Edith H Stern: Wireless variable bandwidth air-link system. International Business Machines Corporation, George E Grosser, Winfield J Brown Jr, John C Black, April 29, 1997: US05625877 (102 worldwide citation)

An apparatus and method for providing variable bandwidth in wireless air-link communication channels which allows a user of an end-user communicating device, e.g. a cellular phone, computer, facsimile, to request the allocation and aggregation of available air-link communication channels for the wir ...


9
James M Dunn, Alan G Ganek, Edith H Stern, Barry E Willner: Communication network and method of operation for real time user selection of voice and/or data paths in the network. International Business Machines Corporation, Joseph C Morgan & Finnegan Redmond Jr, September 12, 2000: US06118780 (99 worldwide citation)

A user through a personal computer, in real time, controls the activation and selection of voice and data transmission paths in a communication network independent of network profiles. The network includes a public switched telephone network and a data network, e.g. the Internet for voice and/or dat ...


10
James M Dunn, Alan G Ganek, Edith H Stern, Barry E Willner: Enhanced audio teleconferencing with sound field effect. International Business Machines Corporation, J C Redmond Jr, Morgan & Finnegan, November 23, 1999: US05991385 (86 worldwide citation)

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 conferencee at the virtual table. Each conferencee has a speakerphone including a programmable Digital S ...