Patents by Inventor R. Emery Hanzel

R. Emery Hanzel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6888803
    Abstract: A system for providing wireline telephone services to wireless subscribers utilizing a packet data network 100. The system includes a base station controller (BSC) 210 a base station controller gateway (BGW) 200 for providing client based services to mobile subscribers and providing protocol mapping between a mobile protocol and a packet data network protocol. The system further comprises a mobility gatekeeper (GK) 500 for managing network mobility services for each wireless call including the establishment of a call control path and a speech path between said base station controller and a serving end office telephone point. The system also comprises a end office gateway (EOGW) 300 for providing protocol conversion between the packet data network protocol and the end office point data protocol such that a wireless subscriber has access to all wireline services provided by the end office point.
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: May 3, 2005
    Assignee: Nortel Networks Limited
    Inventors: William D. Gentry, Samuel H. Christie, IV, David P. Ress, R. Emery Hanzel, Kevin H. Klinge, Richard M. Coyle
  • Patent number: 6745244
    Abstract: Methods and systems consistent with the present invention perform enhanced services for wireline and wireless subscribers in an integrated wireline and wireless switching system. The enhanced services may include, for example, group dialing plans, message waiting indicator activation, call forwarding, simultaneous ringing, call conferencing, calling line identification, automatic call back, automatic recall, speed dialing services, and/or any other services that may be provided by a switching system to wireless and/or wireline subscribers.
    Type: Grant
    Filed: December 16, 2002
    Date of Patent: June 1, 2004
    Assignee: Nortel Networks, Ltd.
    Inventors: Barbara Cosgriff, William Gentry, R. Emery Hanzel, Patrick Lee Price, James Ziesig, Chandrakant Gundecha, Gary Steven Franks
  • Patent number: 6704796
    Abstract: Methods and systems consistent with the present invention perform enhanced services for wireline and wireless subscribers in an integrated wireline and wireless switching system. The enhanced services may include, for example, group dialing plans, message waiting indicator activation, call forwarding, simultaneous ringing, call conferencing, calling line identification, automatic call back, automatic recall, speed dialing services, and/or any other services that may be provided by a switching system to wireless and/or wireline subscribers.
    Type: Grant
    Filed: March 3, 1999
    Date of Patent: March 9, 2004
    Assignee: Nortel Networks, Limited
    Inventors: Barbara Cosgriff, William Gentry, R. Emery Hanzel, Patrick Lee Price, James Ziesig, Chandrakant Gundecha, Gary Steven Franks