U.S. patents available from 1976 to present.
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Communication system

Patent 6449344 Issued on September 10, 2002. Estimated Expiration Date: Icon_subject January 27, 2017. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

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More ...

Inventors

Assignee

Application

No. 791437 filed on 01/27/1997

US Classes:

379/88.17, Interaction with an external nontelephone network (e.g., Internet)379/88.19, Call source identification379/201.01, SPECIAL SERVICES379/201.07, Called party379/201.1, Detecting presence or absence of party or object379/202.01, Conferencing379/207.12, Party location379/901, VIRTUAL NETWORKS OR VIRTUAL PRIVATE NETWORKS379/913PERSON LOCATOR OR PERSON-SPECIFIC

Examiners

Primary: Hoosain, Allan

Attorney, Agent or Firm

Foreign Patent References

  • WO 97/14234 WO. 04/12/1997
  • WO 97/46955 WO. 12/12/1997

International Classes

H04M 001/64
H04M 003/42

Foreign Application Priority Data

1996-10-06 IL

Abstract

The present invention discloses a communication system including a communications network, a multiplicity of communications terminals which are connectable to the communications network and which can be employed by users to communicate via the communications network, the user not necessarily being identified with a given communications terminal, apparatus for monitoring whether or not a user is connected to the communications network irrespective of which of the multiplicity of communications terminals that user is employing, and apparatus for annunciating to a seeking user, currently connected to the communications network via any of the multiplicity of communications terminals, network connection status information relating to other users who are in a set of sought users, which set is definable by the seeking user, and for providing the seeking user connection address information relating to those sought users who are currently connected to the communications network.

Other References

  • Profile: AOL Technology: Turning Complicated Things Into Engaging Services, 1996 Annual Report
  • http://sunsite.doc.ic.ac.uk/public/packages//R5contrib/xhtalk-2.9.READDME. May 26, 1998
  • Muller N.,: "Dial 1-800-INTERNET With New Software, You Can Talk Business Over the Net and Avoid Long-Distance Charges", Byte, vol. 21, No. 2, Feb. 1, 1996, pp. 83/84, 86, 88
  • Wayner P.,: "Hey Bayby, Call Me at My IP Address", Byte, vol. 21, No. 4, Apr. 1, 1996. pp. 142-144
  • Business Week, Sep. 9, 1996, p. 120, No. 3492, Journal Code: BW, Section Heading: Personal Business: ONLINE
  • Internet Online Services: Communications, Supplier No.: 19254182, Mooradian, Mark: Keane, Patrick, Interactive Content, v2, p7(1), Oct. 1996
  • Keizer, "Comprehensive Collaboration Comes Cheap", CNET Reviews, NetMeeting 1.0 Beta 1, Jul. 16, 1996, http://www.cnet.com, pp. 1-
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